*
* Entries with a worker proc id of 0 or a kind of 'U' indicate that HB
* doesn't handle the stream type.
+ * N - Not used
+ * U - Unknown (to be determined by further processing)
+ * A - Audio
+ * V - Video
+ * P - PCR
*/
+typedef enum { N, U, A, V, P } kind_t;
typedef struct {
- enum { N, U, A, V } kind; /* not handled / unknown / audio / video */
+ kind_t kind; /* not handled / unknown / audio / video */
int codec; /* HB worker object id of codec */
int codec_param; /* param for codec (usually ffmpeg codec id) */
const char* name; /* description of type */
st(0x1b, V, WORK_DECAVCODECV, CODEC_ID_H264, "H.264"),
- st(0x80, N, 0, 0, "DigiCipher II Video"),
+ st(0x80, N, HB_ACODEC_MPGA, CODEC_ID_PCM_BLURAY, "DigiCipher II Video"),
st(0x81, A, HB_ACODEC_AC3, 0, "AC-3"),
st(0x82, A, HB_ACODEC_DCA, 0, "HDMV DTS"),
- st(0x83, A, HB_ACODEC_LPCM, 0, "LPCM"),
- st(0x84, A, 0, 0, "SDDS"),
+ st(0x83, A, HB_ACODEC_LPCM, 0, "LPCM/TrueHD"),
+ st(0x84, A, 0, 0, "SDDS/EAC3"),
st(0x85, U, 0, 0, "ATSC Program ID"),
st(0x86, A, HB_ACODEC_DCA, 0, "DTS-HD"),
- st(0x87, A, 0, 0, "E-AC-3"),
+ st(0x87, A, HB_ACODEC_MPGA, CODEC_ID_EAC3, "EAC3"),
st(0x8a, A, HB_ACODEC_DCA, 0, "DTS"),
ffmpeg
} hb_stream_type_t;
-#define kMaxNumberVideoPIDS 1
-#define kMaxNumberAudioPIDS 31
-#define kMaxNumberDecodeStreams (kMaxNumberVideoPIDS+kMaxNumberAudioPIDS)
+#define kMaxNumberDecodeStreams 32
#define kMaxNumberPMTStreams 32
* we learn during the initial scan but cache so it can be
* reused during the conversion read.
*/
- uint8_t ts_number_video_pids;
- uint8_t ts_number_audio_pids;
+ uint8_t ts_number_pids;
uint8_t ts_flags; // stream characteristics:
#define TS_HAS_PCR (1 << 0) // at least one PCR seen
#define TS_HAS_RAP (1 << 1) // Random Access Point bit seen
#define TS_HAS_RSEI (1 << 2) // "Restart point" SEI seen
uint8_t ts_IDRs; // # IDRs found during duration scan
- int16_t ts_video_pids[kMaxNumberVideoPIDS];
- int16_t ts_audio_pids[kMaxNumberAudioPIDS];
+ int16_t ts_pids[kMaxNumberDecodeStreams];
uint32_t ts_format_id[kMaxNumberDecodeStreams];
#define TS_FORMAT_ID_AC3 (('A' << 24) | ('C' << 16) | ('-' << 8) | '3')
uint8_t ts_stream_type[kMaxNumberDecodeStreams];
+ kind_t ts_stream_kind[kMaxNumberDecodeStreams];
uint8_t ts_multiplexed[kMaxNumberDecodeStreams];
char *path;
int flags;
int rate;
int bitrate;
- } a52_info[kMaxNumberAudioPIDS];
+ } a52_info[kMaxNumberDecodeStreams];
struct
{
int section_length;
int program_number;
unsigned int PCR_PID;
+ uint32_t reg_desc;
int program_info_length;
- unsigned char *progam_info_descriptor_data;
struct
{
unsigned char stream_type;
static int hb_ts_stream_decode(hb_stream_t *stream, hb_buffer_t *obuf);
static void hb_ts_stream_reset(hb_stream_t *stream);
static hb_audio_t *hb_ts_stream_set_audio_id_and_codec(hb_stream_t *stream,
- int aud_pid_index);
+ int idx);
static void hb_ps_stream_find_audio_ids(hb_stream_t *stream, hb_title_t *title);
static off_t align_to_next_packet(hb_stream_t *stream);
static hb_title_t *ffmpeg_title_scan( hb_stream_t *stream );
static int ffmpeg_read( hb_stream_t *stream, hb_buffer_t *buf );
static int ffmpeg_seek( hb_stream_t *stream, float frac );
+static int ffmpeg_seek_ts( hb_stream_t *stream, int64_t ts );
/*
* streams have a bunch of state that's learned during the scan. We don't
va_end( args );
}
+static kind_t ts_stream_kind( hb_stream_t *stream, int curstream )
+{
+ return st2codec[stream->ts_stream_type[curstream]].kind;
+}
+
+static int index_of_pid(hb_stream_t *stream, int pid)
+{
+ int i;
+
+ for ( i = 0; i < stream->ts_number_pids; ++i )
+ if ( pid == stream->ts_pids[i] )
+ return i;
+
+ return -1;
+}
+
+static int index_of_video(hb_stream_t *stream)
+{
+ int i;
+
+ for ( i = 0; i < stream->ts_number_pids; ++i )
+ if ( V == stream->ts_stream_kind[i] )
+ return i;
+
+ return -1;
+}
+
static void ts_err( hb_stream_t *stream, int curstream, char *log, ... )
{
va_list args;
return 0;
}
-static int hb_stream_check_for_ps(const uint8_t *buf)
+static int hb_stream_check_for_ps(hb_stream_t *stream)
{
- // program streams should start with a PACK then some other mpeg start
- // code (usually a SYS but that might be missing if we only have a clip).
- return check_ps_sync(buf) && check_ps_sc(buf);
+ uint8_t buf[2048*4];
+ uint8_t sc_buf[4];
+ int pos = 0;
+ int hits = 0;
+
+ fseek(stream->file_handle, 0, SEEK_SET);
+
+ // program streams should start with a PACK then some other mpeg start
+ // code (usually a SYS but that might be missing if we only have a clip).
+ while (pos < 512 * 1024)
+ {
+ int offset;
+
+ if ( fread(buf, 1, sizeof(buf), stream->file_handle) != sizeof(buf) )
+ return 0;
+
+ for ( offset = 0; offset < 8*1024-27; ++offset )
+ {
+ if ( check_ps_sync( &buf[offset] ) && check_ps_sc( &buf[offset] ) )
+ {
+ int pes_offset, prev, data_len;
+ uint8_t sid;
+
+ if ( ++hits == 3 )
+ return 1;
+ pes_offset = 14 + (buf[13] & 0x7);
+ sid = buf[pes_offset+3];
+ data_len = (buf[pes_offset+4] << 8) + buf[pes_offset+5];
+ if ( data_len && sid > 0xba && sid < 0xf9 )
+ {
+ prev = ftell( stream->file_handle );
+ pos = pes_offset + 6 + data_len + prev;
+ fseek( stream->file_handle, pos, SEEK_SET );
+ if ( fread(sc_buf, 1, 4, stream->file_handle) != 4 )
+ return 0;
+ if (sc_buf[0] == 0x00 && sc_buf[1] == 0x00 &&
+ sc_buf[2] == 0x01)
+ {
+ return 1;
+ }
+ fseek( stream->file_handle, prev, SEEK_SET );
+ }
+ }
+ }
+ fseek( stream->file_handle, -27, SEEK_CUR );
+ pos = ftell( stream->file_handle );
+ }
+ return 0;
}
static int hb_stream_check_for_dvd_ps(const uint8_t *buf)
stream->packetsize = psize;
stream->hb_stream_type = transport;
hb_ts_stream_init(stream);
- if ( !stream->ts_number_video_pids || !stream->ts_number_audio_pids )
+ if ( index_of_video( stream ) < 0 )
{
return 0;
}
stream->hb_stream_type = dvd_program;
return 1;
}
- if ( hb_stream_check_for_ps(buf) != 0 )
+ if ( hb_stream_check_for_ps(stream) != 0 )
{
hb_log("file is MPEG Program Stream");
stream->hb_stream_type = program;
if( d->file_handle )
{
fclose( d->file_handle );
- d->file_handle = NULL;
+ d->file_handle = NULL;
}
- int i=0;
+ int i=0;
if ( d->ts_packet )
{
free( d->ts_packet );
d->ts_packet = NULL;
}
- for (i = 0; i < kMaxNumberDecodeStreams; i++)
- {
- if (d->ts_buf[i])
- {
- hb_buffer_close(&(d->ts_buf[i]));
- d->ts_buf[i] = NULL;
- }
- }
+ for (i = 0; i < kMaxNumberDecodeStreams; i++)
+ {
+ if (d->ts_buf[i])
+ {
+ hb_buffer_close(&(d->ts_buf[i]));
+ d->ts_buf[i] = NULL;
+ }
+ }
}
static void hb_stream_delete( hb_stream_t *d )
free( d );
}
-static int audio_inactive( hb_stream_t *stream, int indx )
+static int audio_inactive( hb_stream_t *stream, int idx )
{
- int aud_indx = indx - 1;
+ int pid = stream->ts_pids[idx];
- if ( stream->ts_audio_pids[aud_indx] < 0 )
+ if ( pid < 0 )
{
// PID declared inactive by hb_stream_title_scan
return 1;
}
- if ( stream->ts_audio_pids[aud_indx] == stream->pmt_info.PCR_PID )
+ if ( pid == stream->pmt_info.PCR_PID )
{
// PCR PID is always active
return 0;
for ( i = 0; i < hb_list_count( stream->title->list_audio ); ++i )
{
hb_audio_t *audio = hb_list_item( stream->title->list_audio, i );
- if ( audio->id == indx )
+ if ( audio->id == pid )
{
return 0;
}
}
+
// not in the title's audio list - declare the PID inactive
- stream->ts_audio_pids[aud_indx] = -stream->ts_audio_pids[aud_indx];
+ stream->ts_pids[idx] = -stream->ts_pids[idx];
return 1;
}
{
d->ts_packet = malloc( d->packetsize );
- int i = 0;
- for ( ; i < d->ts_number_video_pids + d->ts_number_audio_pids; i++)
+ int i;
+ for ( i = 0; i < d->ts_number_pids; i++)
{
- if ( i && audio_inactive( d, i ) )
+ if ( d->ts_stream_kind[i] == A &&
+ audio_inactive( d, i ) )
{
// this PID isn't wanted (we don't have a codec for it
// or scan didn't find audio parameters)
continue;
}
d->ts_buf[i] = hb_buffer_init(d->packetsize);
- d->ts_buf[i]->size = 0;
+ d->ts_buf[i]->size = 0;
}
hb_stream_seek( d, 0. );
}
return d;
}
fclose( d->file_handle );
- d->file_handle = NULL;
+ d->file_handle = NULL;
if ( ffmpeg_open( d, title ) )
{
return d;
return NULL;
}
+hb_stream_t * hb_bd_stream_open( hb_title_t *title )
+{
+ int ii;
+
+ hb_stream_t *d = calloc( sizeof( hb_stream_t ), 1 );
+ if ( d == NULL )
+ {
+ hb_log( "hb_bd_stream_open: can't allocate space for stream state" );
+ return NULL;
+ }
+
+ for (ii = 0; ii < kMaxNumberDecodeStreams; ii++)
+ {
+ d->ts_streamcont[ii] = -1;
+ d->ts_pids[ii] = -1;
+ }
+
+ d->file_handle = NULL;
+ d->title = title;
+ d->path = NULL;
+ d->ts_packet = NULL;
+
+ d->ts_number_pids = 0;
+ d->ts_pids[0] = title->video_id;
+ d->ts_stream_type[0] = title->video_stream_type;
+ d->ts_stream_kind[0] = V;
+ d->ts_number_pids++;
+
+ hb_audio_t * audio;
+ for ( ii = 0; ( audio = hb_list_item( title->list_audio, ii ) ); ++ii )
+ {
+ d->ts_pids[d->ts_number_pids] = audio->id;
+ d->ts_stream_type[d->ts_number_pids] = audio->config.in.stream_type;
+ d->ts_stream_kind[d->ts_number_pids] = A;
+
+ if ( d->ts_stream_type[d->ts_number_pids] == 0x83 &&
+ title->reg_desc == STR4_TO_UINT32("HDMV") )
+ {
+ // This is an interleaved TrueHD/AC-3 stream and the esid of
+ // the AC-3 is 0x76
+ d->ts_multiplexed[d->ts_number_pids] = 0x76;
+ d->ts_stream_type[d->ts_number_pids] = 0x81;
+ }
+ if ( d->ts_stream_type[d->ts_number_pids] == 0x86 &&
+ title->reg_desc == STR4_TO_UINT32("HDMV") )
+ {
+ // This is an interleaved DTS-HD/DTS stream and the esid of
+ // the DTS is 0x71
+ d->ts_multiplexed[d->ts_number_pids] = 0x71;
+ d->ts_stream_type[d->ts_number_pids] = 0x82;
+ }
+ if ( d->ts_stream_type[d->ts_number_pids] == 0x84 &&
+ title->reg_desc == STR4_TO_UINT32("HDMV") )
+ {
+ // EAC3 audio in bluray has an stype of 0x84
+ // which conflicts with SDDS
+ // To distinguish, Bluray streams have a reg_desc of HDMV
+ d->ts_stream_type[d->ts_number_pids] = 0x87;
+ }
+
+ d->ts_number_pids++;
+ }
+
+ d->ts_flags = TS_HAS_RAP;
+ // When scanning, title->job == NULL. We don't need to wait for
+ // a PCR when scanning. In fact, it trips us up on the first
+ // preview of every title since we would have to read quite a
+ // lot of data before finding the PCR.
+ if (title->pcr_pid != 0xFFFF && title->job)
+ {
+ if ( index_of_pid( d, title->pcr_pid ) < 0 )
+ {
+ // BD PCR PID is specified to always be 0x1001
+ d->ts_pids[d->ts_number_pids] = 0x1001;
+ d->ts_stream_kind[d->ts_number_pids] = P;
+ d->ts_number_pids++;
+ }
+ }
+
+ d->packetsize = 192;
+ d->hb_stream_type = transport;
+
+ for ( ii = 0; ii < d->ts_number_pids; ii++ )
+ {
+ d->ts_buf[ii] = hb_buffer_init(d->packetsize);
+ d->ts_buf[ii]->size = 0;
+ }
+
+ return d;
+}
+
/***********************************************************************
* hb_stream_close
***********************************************************************
* by setting its PID to an invalid value so no packet will match it. (We can't
* move any of the entries since the index of the entry is used as the id
* of the media stream for HB. */
-static void hb_stream_delete_audio_entry(hb_stream_t *stream, int indx)
+static void hb_stream_delete_entry(hb_stream_t *stream, int indx)
{
- if ( stream->ts_audio_pids[indx] > 0 )
+ if ( stream->ts_pids[indx] > 0 )
{
- stream->ts_audio_pids[indx] = -stream->ts_audio_pids[indx];
+ stream->ts_pids[indx] = -stream->ts_pids[indx];
}
}
-static int index_of_pid(int pid, hb_stream_t *stream)
-{
- int i;
-
- if ( pid == stream->ts_video_pids[0] )
- return 0;
-
- for ( i = 0; i < stream->ts_number_audio_pids; ++i )
- if ( pid == stream->ts_audio_pids[i] )
- return i + 1;
-
- return -1;
-}
-
/***********************************************************************
* hb_ps_stream_title_scan
***********************************************************************
**********************************************************************/
hb_title_t * hb_stream_title_scan(hb_stream_t *stream)
{
- if ( stream->hb_stream_type == ffmpeg )
+ if ( stream->hb_stream_type == ffmpeg )
return ffmpeg_title_scan( stream );
// 'Barebones Title'
aTitle->type = HB_STREAM_TYPE;
aTitle->index = 1;
- // Copy part of the stream path to the title name
- char *sep = strrchr(stream->path, '/');
- if (sep)
- strcpy(aTitle->name, sep+1);
- char *dot_term = strrchr(aTitle->name, '.');
- if (dot_term)
- *dot_term = '\0';
+ // Copy part of the stream path to the title name
+ char *sep = strrchr(stream->path, '/');
+ if (sep)
+ strcpy(aTitle->name, sep+1);
+ char *dot_term = strrchr(aTitle->name, '.');
+ if (dot_term)
+ *dot_term = '\0';
// Height, width, rate and aspect ratio information is filled in when the previews are built
// the elementary stream is an audio type.
// - For program streams read the first 4MB and take every unique
// audio stream we find.
- if (stream->hb_stream_type == transport)
- {
+ if (stream->hb_stream_type == transport)
+ {
int i;
- for (i=0; i < stream->ts_number_audio_pids; i++)
+ for (i=0; i < stream->ts_number_pids; i++)
{
hb_audio_t *audio = hb_ts_stream_set_audio_id_and_codec(stream, i);
- if (audio->config.in.codec)
- hb_list_add( aTitle->list_audio, audio );
- else
+ if ( audio )
{
- free(audio);
- hb_stream_delete_audio_entry(stream, i);
+ hb_list_add( aTitle->list_audio, audio );
}
}
// make sure we're grabbing the PCR PID
- if ( index_of_pid( stream->pmt_info.PCR_PID, stream ) < 0 )
+ if ( index_of_pid( stream, stream->pmt_info.PCR_PID ) < 0 )
{
- stream->ts_audio_pids[stream->ts_number_audio_pids++] =
- stream->pmt_info.PCR_PID;
+ stream->ts_pids[stream->ts_number_pids] = stream->pmt_info.PCR_PID;
+ stream->ts_stream_kind[stream->ts_number_pids] = P;
+ stream->ts_number_pids++;
+ }
+
+ for (i = 0; i < stream->ts_number_pids; i++)
+ {
+ kind_t kind = stream->ts_stream_kind[i];
+
+ if ( kind == N || kind == U )
+ {
+ hb_stream_delete_entry(stream, i);
+ }
}
// set the video id, codec & muxer
- aTitle->video_id = 0;
- aTitle->video_codec = st2codec[stream->ts_stream_type[0]].codec;
- aTitle->video_codec_param = st2codec[stream->ts_stream_type[0]].codec_param;
+ int idx = index_of_video( stream );
+ if ( idx < 0 )
+ {
+ hb_title_close( &aTitle );
+ return NULL;
+ }
+
+ aTitle->video_id = stream->ts_pids[idx];
+ aTitle->video_codec = st2codec[stream->ts_stream_type[idx]].codec;
+ aTitle->video_codec_param = st2codec[stream->ts_stream_type[idx]].codec_param;
aTitle->demuxer = HB_MPEG2_TS_DEMUXER;
if ( ( stream->ts_flags & TS_HAS_PCR ) == 0 )
hb_log( "transport stream doesn't seem to have video IDR frames" );
aTitle->flags |= HBTF_NO_IDR;
}
- }
+ }
else
{
hb_ps_stream_find_audio_ids(stream, aTitle);
}
- return aTitle;
+ return aTitle;
}
/*
const uint8_t *buf;
fseeko( stream->file_handle, fpos, SEEK_SET );
align_to_next_packet( stream );
- buf = hb_ts_stream_getPEStype( stream, stream->ts_video_pids[0] );
+ int pid = stream->ts_pids[index_of_video(stream)];
+ buf = hb_ts_stream_getPEStype( stream, pid );
if ( buf == NULL )
{
hb_log("hb_sample_pts: couldn't find video packet near %"PRIu64, fpos);
{
*rp = ((double)( pp[j].pts - pp[i].pts )) /
((double)( pp[j].pos - pp[i].pos ));
- ++rp;
+ ++rp;
}
}
}
**********************************************************************/
int hb_stream_read( hb_stream_t * src_stream, hb_buffer_t * b )
{
- if ( src_stream->hb_stream_type == ffmpeg )
+ if ( src_stream->hb_stream_type == ffmpeg )
{
return ffmpeg_read( src_stream, b );
}
ep = b->data + b->alloc;
}
*cp++ = c;
+ // Non-video streams can emulate start codes, so we need
+ // to inspect PES packets and skip over their data
+ // sections to avoid mis-detection of the next pack header.
+ if ( ( strt_code >> 8 ) == 0x000001 &&
+ ( strt_code & 0xff ) >= 0xbb )
+ {
+ int len = 0;
+ c = getc_unlocked( src_stream->file_handle );
+ if ( c == EOF )
+ break;
+ len = c << 8;
+ c = getc_unlocked( src_stream->file_handle );
+ if ( c == EOF )
+ break;
+ len |= c;
+ if ( cp+len+2 > ep )
+ {
+ // need to expand the buffer
+ int curSize = cp - b->data;
+ if ( curSize * 2 > curSize+len+2 )
+ hb_buffer_realloc( b, curSize * 2 );
+ else
+ hb_buffer_realloc( b, curSize + len + 2 );
+ cp = b->data + curSize;
+ ep = b->data + b->alloc;
+ }
+ *cp++ = len >> 8;
+ *cp++ = len & 0xff;
+ fread( cp, 1, len, src_stream->file_handle );
+ cp += len;
+ }
}
funlockfile( src_stream->file_handle );
if ( c != EOF )
{
fseeko( src_stream->file_handle, -4, SEEK_CUR );
- b->size -= 4;
+ // Only 3 of the 4 bytes read were added to the buffer.
+ b->size -= 3;
}
return 1;
}
return hb_ts_stream_decode( src_stream, b );
}
+int64_t ffmpeg_initial_timestamp( hb_stream_t * stream )
+{
+ AVStream *s = stream->ffmpeg_ic->streams[stream->ffmpeg_video_id];
+ if ( s->nb_index_entries < 1 )
+ return 0;
+
+ return s->index_entries[0].timestamp;
+}
int hb_stream_seek_chapter( hb_stream_t * stream, int chapter_num )
{
stream->chapter = chapter_num - 1;
stream->chapter_end = sum_dur;
- int64_t pos = ( ( ( sum_dur - chapter->duration ) * AV_TIME_BASE ) / 90000 );
+ int64_t pos = ( ( ( sum_dur - chapter->duration ) * AV_TIME_BASE ) / 90000 ) + ffmpeg_initial_timestamp( stream );
hb_deep_log( 2, "Seeking to chapter %d: starts %"PRId64", ends %"PRId64", AV pos %"PRId64,
chapter_num, sum_dur - chapter->duration, sum_dur, pos);
{
av_seek_frame( stream->ffmpeg_ic, -1, pos, 0);
}
+ else
+ {
+ // ffmpeg has a bug that causes the first PTS after
+ // av_find_stream_info() is called to be incorrect.
+ // av_find_stream_info is called whenever opening a file
+ // with ffmpeg. av_seek_frame clears the condition
+ // that causes the problem. since hb_stream_seek_chapter
+ // is called before we start reading, make sure
+ // we do a seek here.
+ av_seek_frame( stream->ffmpeg_ic, -1, ffmpeg_initial_timestamp( stream ), AVSEEK_FLAG_BACKWARD | AVSEEK_FLAG_ANY );
+ }
return 1;
}
**********************************************************************/
int hb_stream_seek( hb_stream_t * stream, float f )
{
- if ( stream->hb_stream_type == ffmpeg )
+ if ( stream->hb_stream_type == ffmpeg )
{
return ffmpeg_seek( stream, f );
}
return 1;
}
-static const char* make_upper( const char* s )
+int hb_stream_seek_ts( hb_stream_t * stream, int64_t ts )
{
- static char name[8];
- char *cp = name;
- char *ep = cp + sizeof(name)-1;
-
- while ( *s && cp < ep )
+ if ( stream->hb_stream_type == ffmpeg )
{
- *cp++ = islower(*s)? toupper(*s) : *s;
- ++s;
+ return ffmpeg_seek_ts( stream, ts );
}
- *cp = 0;
- return name;
+ return -1;
}
static void set_audio_description( hb_audio_t *audio, iso639_lang_t *lang )
( cc = hb_ffmpeg_context( audio->config.in.codec_param ) ) &&
avcodec_find_decoder( cc->codec_id ) )
{
- codec_name = make_upper( avcodec_find_decoder( cc->codec_id )->name );
- if ( !strcmp( codec_name, "LIBFAAD" ) )
+ AVCodec *codec = avcodec_find_decoder( cc->codec_id );
+ codec_name = codec->name;
+ if ( !strcmp( codec_name, "DCA" ) )
+ {
+ codec_name = "DTS";
+ }
+
+ char *profile_name;
+ profile_name = av_get_profile_name( codec, cc->profile );
+ if ( profile_name )
{
- codec_name = "AAC";
+ codec_name = profile_name;
}
}
else if ( audio->config.in.codec == HB_ACODEC_MPGA &&
sizeof( audio->config.lang.description ), "%s (%s)",
strlen(lang->native_name) ? lang->native_name : lang->eng_name,
codec_name );
+
+ if (audio->config.in.codec == HB_ACODEC_FFMPEG)
+ {
+ int layout = audio->config.in.channel_layout;
+ char *desc = audio->config.lang.description +
+ strlen( audio->config.lang.description );
+ sprintf( desc, " (%d.%d ch)",
+ HB_INPUT_CH_LAYOUT_GET_DISCRETE_FRONT_COUNT(layout) +
+ HB_INPUT_CH_LAYOUT_GET_DISCRETE_REAR_COUNT(layout),
+ HB_INPUT_CH_LAYOUT_GET_DISCRETE_LFE_COUNT(layout) );
+ }
+
snprintf( audio->config.lang.simple, sizeof( audio->config.lang.simple ), "%s",
strlen(lang->native_name) ? lang->native_name : lang->eng_name );
snprintf( audio->config.lang.iso639_2, sizeof( audio->config.lang.iso639_2 ),
}
static hb_audio_t *hb_ts_stream_set_audio_id_and_codec(hb_stream_t *stream,
- int aud_pid_index)
+ int idx)
{
off_t cur_pos = ftello(stream->file_handle);
- hb_audio_t *audio = calloc( sizeof( hb_audio_t ), 1 );
+ hb_audio_t *audio = NULL;
const uint8_t *buf;
+ kind_t kind;
+ uint8_t stype = 0;
+
+ kind = stream->ts_stream_kind[idx];
+
+ if ( kind != A && kind != U && kind != N )
+ {
+ // Not audio
+ return NULL;
+ }
+ stype = stream->ts_stream_type[idx];
fseeko(stream->file_handle, 0, SEEK_SET);
align_to_next_packet(stream);
- buf = hb_ts_stream_getPEStype(stream, stream->ts_audio_pids[aud_pid_index]);
+
+ buf = hb_ts_stream_getPEStype(stream, stream->ts_pids[idx]);
/* check that we found a PES header */
- uint8_t stype = 0;
if (buf && buf[0] == 0x00 && buf[1] == 0x00 && buf[2] == 0x01)
{
- stype = stream->ts_stream_type[1 + aud_pid_index];
-
// 0xbd ("private stream 1") is the normal container for non-ISO
// media - AC3/DCA/PCM/etc.
if ( buf[3] == 0xbd )
{
- if ( st2codec[stype].kind == U )
+ if ( kind == U )
{
// XXX assume unknown stream types are AC-3 (if they're not
// audio we'll find that out during the scan but if they're
// some other type of audio we'll end up ignoring them).
stype = 0x81;
- stream->ts_stream_type[1 + aud_pid_index] = 0x81;
+ stream->ts_stream_type[idx] = 0x81;
+ kind = A;
+ }
+ if ( stype == 0x80 &&
+ stream->pmt_info.reg_desc == STR4_TO_UINT32("HDMV") )
+ {
+ // LPCM audio in bluray have an stype of 0x80
+ // 0x80 is used for other DigiCipher normally
+ // To distinguish, Bluray streams have a reg_desc of HDMV
+ kind = A;
}
}
else if ( buf[3] == 0xfd )
// distinguish them. So we have to check if that's happening and
// if so tell the runtime what esid we want.
if ( st2codec[stype].kind == A && stype == 0x83 &&
- stream->ts_format_id[1 + aud_pid_index] == TS_FORMAT_ID_AC3 )
+ stream->ts_format_id[idx] == TS_FORMAT_ID_AC3 )
{
// This is an interleaved TrueHD/AC-3 stream and the esid of
// the AC-3 is 0x76
- stream->ts_multiplexed[1 + aud_pid_index] = 0x76;
+ stream->ts_multiplexed[idx] = 0x76;
stype = 0x81;
- stream->ts_stream_type[1 + aud_pid_index] = 0x81;
+ stream->ts_stream_type[idx] = 0x81;
+ kind = A;
}
if ( st2codec[stype].kind == A && stype == 0x86 )
{
// This is an interleaved DTS-HD/DTS stream and the esid of
// the DTS is 0x71
- stream->ts_multiplexed[1 + aud_pid_index] = 0x71;
+ stream->ts_multiplexed[idx] = 0x71;
stype = 0x82;
- stream->ts_stream_type[1 + aud_pid_index] = 0x82;
+ stream->ts_stream_type[idx] = 0x82;
+ kind = A;
+ }
+ if ( stype == 0x84 &&
+ stream->pmt_info.reg_desc == STR4_TO_UINT32("HDMV") )
+ {
+ // EAC3 audio in bluray has an stype of 0x84
+ // which conflicts with SDDS
+ // To distinguish, Bluray streams have a reg_desc of HDMV
+ stype = 0x87;
+ stream->ts_stream_type[idx] = 0x87;
+ kind = A;
}
}
else if ((buf[3] & 0xe0) == 0xc0)
{
// XXX assume unknown stream types are MPEG audio
stype = 0x03;
- stream->ts_stream_type[1 + aud_pid_index] = 0x03;
+ stream->ts_stream_type[idx] = 0x03;
+ kind = A;
}
}
else
{
stype = 0;
+ kind = N;
}
}
+
// if we found an audio stream type & HB has a codec that can decode it
// finish configuring the audio so we'll add it to the title's list.
- if ( st2codec[stype].kind == A && st2codec[stype].codec )
+ if ( kind == A && st2codec[stype].codec )
{
- audio->id = 1 + aud_pid_index;
+ audio = calloc( sizeof( hb_audio_t ), 1 );
+
+ stream->ts_stream_kind[idx] = A;
+ audio->id = stream->ts_pids[idx];
audio->config.in.codec = st2codec[stype].codec;
audio->config.in.codec_param = st2codec[stype].codec_param;
- set_audio_description( audio,
- lang_for_code( stream->a52_info[aud_pid_index].lang_code ) );
+ set_audio_description( audio,
+ lang_for_code( stream->a52_info[idx].lang_code ) );
hb_log("transport stream pid 0x%x (type 0x%x) may be %s audio (id 0x%x)",
- stream->ts_audio_pids[aud_pid_index],
+ stream->ts_pids[idx],
stype, st2codec[stype].name, audio->id);
+
}
else
{
if ( buf )
{
hb_log("transport stream pid 0x%x (type 0x%x, substream 0x%x) "
- "isn't audio", stream->ts_audio_pids[aud_pid_index],
- stream->ts_stream_type[1 + aud_pid_index], buf[3]);
+ "isn't audio", stream->ts_pids[idx],
+ stream->ts_stream_type[idx], buf[3]);
}
else
{
hb_log("transport stream pid 0x%x (type 0x%x) isn't audio",
- stream->ts_audio_pids[aud_pid_index],
- stream->ts_stream_type[1 + aud_pid_index]);
+ stream->ts_pids[idx],
+ stream->ts_stream_type[idx]);
}
- }
+ }
fseeko(stream->file_handle, cur_pos, SEEK_SET);
+
return audio;
}
static void hb_ts_stream_init(hb_stream_t *stream)
{
- int i;
+ int i;
- for (i=0; i < kMaxNumberDecodeStreams; i++)
- {
- stream->ts_streamcont[i] = -1;
- }
- stream->ts_video_pids[0] = -1;
- for ( i = 0; i < stream->ts_number_audio_pids; i++ )
+ for (i=0; i < kMaxNumberDecodeStreams; i++)
{
- stream-> ts_audio_pids[i] = -1;
+ stream->ts_streamcont[i] = -1;
+ stream-> ts_pids[i] = -1;
}
-
stream->ts_packet = malloc( stream->packetsize );
- // Find the audio and video pids in the stream
- hb_ts_stream_find_pids(stream);
+ // Find the audio and video pids in the stream
+ hb_ts_stream_find_pids(stream);
- for (i = 0; i < stream->ts_number_video_pids + stream->ts_number_audio_pids; i++)
- {
+ for (i = 0; i < stream->ts_number_pids; i++)
+ {
// demuxing buffer for TS to PS conversion
- stream->ts_buf[i] = hb_buffer_init(stream->packetsize);
- stream->ts_buf[i]->size = 0;
- }
+ stream->ts_buf[i] = hb_buffer_init(stream->packetsize);
+ stream->ts_buf[i]->size = 0;
+ }
}
#define MAX_HOLE 208*80
static off_t align_to_next_packet(hb_stream_t *stream)
{
uint8_t buf[MAX_HOLE];
- off_t pos = 0;
+ off_t pos = 0;
off_t start = ftello(stream->file_handle);
+ off_t orig;
if ( start >= stream->packetsize ) {
start -= stream->packetsize;
fseeko(stream->file_handle, start, SEEK_SET);
}
+ orig = start;
- if (fread(buf, sizeof(buf), 1, stream->file_handle) == 1)
- {
- const uint8_t *bp = buf;
- int i;
-
- for ( i = sizeof(buf); --i >= 0; ++bp )
+ while (1)
+ {
+ if (fread(buf, sizeof(buf), 1, stream->file_handle) == 1)
{
- if ( have_ts_sync( bp, stream->packetsize ) )
+ const uint8_t *bp = buf;
+ int i;
+
+ for ( i = sizeof(buf) - 8 * stream->packetsize; --i >= 0; ++bp )
{
+ if ( have_ts_sync( bp, stream->packetsize ) )
+ {
+ break;
+ }
+ }
+ if ( i >= 0 )
+ {
+ pos = ( bp - buf ) - stream->packetsize + 188;
break;
}
+ fseeko(stream->file_handle, -8 * stream->packetsize, SEEK_CUR);
+ start = ftello(stream->file_handle);
}
- if ( i >= 0 )
+ else
{
- pos = ( bp - buf ) - stream->packetsize + 188;
- if ( pos < 0 )
- pos = 0;
+ return 0;
}
- }
+ }
fseeko(stream->file_handle, start+pos, SEEK_SET);
- return pos;
+ return start - orig + pos;
}
} bitbuf_t;
static const unsigned int bitmask[] = {
- 0x0,0x1,0x3,0x7,0xf,0x1f,0x3f,0x7f,0xff,
- 0x1ff,0x3ff,0x7ff,0xfff,0x1fff,0x3fff,0x7fff,0xffff,
- 0x1ffff,0x3ffff,0x7ffff,0xfffff,0x1fffff,0x3fffff,0x7fffff,0xffffff,
- 0x1ffffff,0x3ffffff,0x7ffffff,0xfffffff,0x1fffffff,0x3fffffff,0x7fffffff,0xffffffff};
+ 0x0,0x1,0x3,0x7,0xf,0x1f,0x3f,0x7f,0xff,
+ 0x1ff,0x3ff,0x7ff,0xfff,0x1fff,0x3fff,0x7fff,0xffff,
+ 0x1ffff,0x3ffff,0x7ffff,0xfffff,0x1fffff,0x3fffff,0x7fffff,0xffffff,
+ 0x1ffffff,0x3ffffff,0x7ffffff,0xfffffff,0x1fffffff,0x3fffffff,0x7fffffff,0xffffffff};
static inline void set_buf(bitbuf_t *bb, uint8_t* buf, int bufsize, int clear)
{
- bb->pos = 0;
- bb->buf = buf;
- bb->val = (bb->buf[0] << 24) | (bb->buf[1] << 16) |
+ bb->pos = 0;
+ bb->buf = buf;
+ bb->val = (bb->buf[0] << 24) | (bb->buf[1] << 16) |
(bb->buf[2] << 8) | bb->buf[3];
- if (clear)
- memset(bb->buf, 0, bufsize);
+ if (clear)
+ memset(bb->buf, 0, bufsize);
}
static inline int buf_size(bitbuf_t *bb)
{
- return bb->pos >> 3;
+ return bb->pos >> 3;
}
static inline unsigned int get_bits(bitbuf_t *bb, int bits)
{
- unsigned int val;
- int left = 32 - (bb->pos & 31);
+ unsigned int val;
+ int left = 32 - (bb->pos & 31);
- if (bits < left)
- {
- val = (bb->val >> (left - bits)) & bitmask[bits];
- bb->pos += bits;
- }
- else
- {
- val = (bb->val & bitmask[left]) << (bits - left);
- bb->pos += left;
- bits -= left;
+ if (bits < left)
+ {
+ val = (bb->val >> (left - bits)) & bitmask[bits];
+ bb->pos += bits;
+ }
+ else
+ {
+ val = (bb->val & bitmask[left]) << (bits - left);
+ bb->pos += left;
+ bits -= left;
- int pos = bb->pos >> 3;
- bb->val = (bb->buf[pos] << 24) | (bb->buf[pos + 1] << 16) | (bb->buf[pos + 2] << 8) | bb->buf[pos + 3];
+ int pos = bb->pos >> 3;
+ bb->val = (bb->buf[pos] << 24) | (bb->buf[pos + 1] << 16) | (bb->buf[pos + 2] << 8) | bb->buf[pos + 3];
- if (bits > 0)
- {
- val |= (bb->val >> (32 - bits)) & bitmask[bits];
- bb->pos += bits;
- }
- }
+ if (bits > 0)
+ {
+ val |= (bb->val >> (32 - bits)) & bitmask[bits];
+ bb->pos += bits;
+ }
+ }
- return val;
+ return val;
}
// extract what useful information we can from the elementary stream
switch (dp[0])
{
case 5: // Registration descriptor
- stream->ts_format_id[esindx+1] = (dp[2] << 24) | (dp[3] << 16) |
+ stream->ts_format_id[esindx] = (dp[2] << 24) | (dp[3] << 16) |
(dp[4] << 8) | dp[5];
break;
break;
case 0x6a: // DVB AC-3 descriptor
- stream->ts_stream_type[esindx+1] = 0x81;
+ stream->ts_stream_type[esindx] = 0x81;
+ break;
+
+ case 0x7a: // DVB EAC-3 descriptor
+ stream->ts_stream_type[esindx] = 0x87;
break;
default:
int decode_program_map(hb_stream_t* stream)
{
bitbuf_t bb;
- set_buf(&bb, stream->pmt_info.tablebuf, stream->pmt_info.tablepos, 0);
+ set_buf(&bb, stream->pmt_info.tablebuf, stream->pmt_info.tablepos, 0);
get_bits(&bb, 8); // table_id
get_bits(&bb, 4);
get_bits(&bb, 8); // section_number
get_bits(&bb, 8); // last_section_number
get_bits(&bb, 3);
- unsigned int PCR_PID = get_bits(&bb, 13);
- stream->pmt_info.PCR_PID = PCR_PID;
+ stream->pmt_info.PCR_PID = get_bits(&bb, 13);
get_bits(&bb, 4);
- unsigned int program_info_length = get_bits(&bb, 12);
+ int program_info_length = get_bits(&bb, 12);
stream->pmt_info.program_info_length = program_info_length;
- int i=0;
- unsigned char *descriptor_buf = (unsigned char *) malloc(program_info_length);
- for (i = 0; i < program_info_length; i++)
- {
- descriptor_buf[i] = get_bits(&bb, 8);
- }
+ int i;
+ for (i = 0; i < program_info_length - 2; )
+ {
+ uint8_t tag, len;
+ tag = get_bits(&bb, 8);
+ len = get_bits(&bb, 8);
+ i += 2;
+ if ( i + len > program_info_length )
+ {
+ break;
+ }
+ if (tag == 0x05 && len >= 4)
+ {
+ // registration descriptor
+ stream->pmt_info.reg_desc = get_bits(&bb, 32);
+ i += 4;
+ len -= 4;
+ }
+ int j;
+ for ( j = 0; j < len; j++ )
+ {
+ get_bits(&bb, 8);
+ }
+ i += len;
+ }
+ for ( ; i < program_info_length; i++ )
+ {
+ get_bits(&bb, 8);
+ }
- int cur_pos = 9 /* data after the section length field*/ + program_info_length;
- int done_reading_stream_types = 0;
- while (!done_reading_stream_types)
+ int cur_pos = 9 /* data after the section length field*/ + program_info_length;
+ int done_reading_stream_types = 0;
+ while (!done_reading_stream_types)
{
unsigned char stream_type = get_bits(&bb, 8);
get_bits(&bb, 3);
ES_info_buf[i] = get_bits(&bb, 8);
}
-
- if ( index_of_pid( elementary_PID, stream ) < 0 )
+ if ( index_of_pid( stream, elementary_PID ) < 0 )
{
- // don't have this pid yet
- if (stream->ts_number_video_pids == 0 &&
- st2codec[stream_type].kind == V )
+ // Defined audio stream types are 0x81 for AC-3/A52 audio
+ // and 0x03 for mpeg audio. But content producers seem to
+ // use other values (0x04 and 0x06 have both been observed)
+ // so at this point we say everything that isn't a video
+ // pid is audio then at the end of hb_stream_title_scan
+ // we'll figure out which are really audio by looking at
+ // the PES headers.
+ i = stream->ts_number_pids;
+ if (i < kMaxNumberDecodeStreams)
{
- stream->ts_video_pids[0] = elementary_PID;
- stream->ts_stream_type[0] = stream_type;
- stream->ts_number_video_pids = 1;
- }
- else
- {
- // Defined audio stream types are 0x81 for AC-3/A52 audio
- // and 0x03 for mpeg audio. But content producers seem to
- // use other values (0x04 and 0x06 have both been observed)
- // so at this point we say everything that isn't a video
- // pid is audio then at the end of hb_stream_title_scan
- // we'll figure out which are really audio by looking at
- // the PES headers.
- i = stream->ts_number_audio_pids;
- if (i < kMaxNumberAudioPIDS)
+ stream->ts_pids[i] = elementary_PID;
+ stream->ts_stream_type[i] = stream_type;
+ if (ES_info_length > 0)
{
- stream->ts_audio_pids[i] = elementary_PID;
- stream->ts_stream_type[1 + i] = stream_type;
- if (ES_info_length > 0)
- {
- decode_element_descriptors(stream, i, ES_info_buf,
- ES_info_length);
- }
- ++stream->ts_number_audio_pids;
+ decode_element_descriptors(stream, i, ES_info_buf,
+ ES_info_length);
}
+ stream->ts_stream_kind[i] = ts_stream_kind(stream, i);
+ ++stream->ts_number_pids;
}
}
done_reading_stream_types = 1;
}
- free(descriptor_buf);
- return 1;
+ return 1;
}
static int build_program_map(const uint8_t *buf, hb_stream_t *stream)
// Get pointer length - only valid in packets with a start flag
int pointer_len = 0;
- if (start)
- {
- pointer_len = buf[4 + adapt_len] + 1;
- stream->pmt_info.tablepos = 0;
- }
- // Get Continuity Counter
- int continuity_counter = buf[3] & 0x0f;
- if (!start && (stream->pmt_info.current_continuity_counter + 1 != continuity_counter))
- {
- hb_log("build_program_map - Continuity Counter %d out of sequence - expected %d", continuity_counter, stream->pmt_info.current_continuity_counter+1);
- return 0;
- }
- stream->pmt_info.current_continuity_counter = continuity_counter;
- stream->pmt_info.reading |= start;
+ if (start)
+ {
+ pointer_len = buf[4 + adapt_len] + 1;
+ stream->pmt_info.tablepos = 0;
+ }
+ // Get Continuity Counter
+ int continuity_counter = buf[3] & 0x0f;
+ if (!start && (stream->pmt_info.current_continuity_counter + 1 != continuity_counter))
+ {
+ hb_log("build_program_map - Continuity Counter %d out of sequence - expected %d", continuity_counter, stream->pmt_info.current_continuity_counter+1);
+ return 0;
+ }
+ stream->pmt_info.current_continuity_counter = continuity_counter;
+ stream->pmt_info.reading |= start;
// Add the payload for this packet to the current buffer
- int amount_to_copy = 184 - adapt_len - pointer_len;
+ int amount_to_copy = 184 - adapt_len - pointer_len;
if (stream->pmt_info.reading && (amount_to_copy > 0))
{
- stream->pmt_info.tablebuf = realloc(stream->pmt_info.tablebuf, stream->pmt_info.tablepos + amount_to_copy);
+ stream->pmt_info.tablebuf = realloc(stream->pmt_info.tablebuf, stream->pmt_info.tablepos + amount_to_copy);
memcpy(stream->pmt_info.tablebuf + stream->pmt_info.tablepos, buf + 4 + adapt_len + pointer_len, amount_to_copy);
stream->pmt_info.tablepos += amount_to_copy;
bitbuf_t bb;
set_buf(&bb, tablebuf + pos, tablepos - pos, 0);
- unsigned char section_id = get_bits(&bb, 8);
+ unsigned char section_id = get_bits(&bb, 8);
get_bits(&bb, 4);
- unsigned int section_len = get_bits(&bb, 12);
+ unsigned int section_len = get_bits(&bb, 12);
get_bits(&bb, 16); // transport_id
get_bits(&bb, 2);
get_bits(&bb, 5); // version_num
section_len -= 5; // Already read transport stream ID, version num, section num, and last section num
section_len -= 4; // Ignore the CRC
int curr_pos = 0;
- stream->ts_number_pat_entries = 0;
+ stream->ts_number_pat_entries = 0;
while ((curr_pos < section_len) && (stream->ts_number_pat_entries < kMaxNumberPMTStreams))
{
unsigned int pkt_program_num = get_bits(&bb, 16);
- stream->pat_info[stream->ts_number_pat_entries].program_number = pkt_program_num;
+ stream->pat_info[stream->ts_number_pat_entries].program_number = pkt_program_num;
get_bits(&bb, 3); // Reserved
if (pkt_program_num == 0)
stream->pat_info[stream->ts_number_pat_entries].program_map_PID = pkt_program_map_PID;
}
curr_pos += 4;
- stream->ts_number_pat_entries++;
+ stream->ts_number_pat_entries++;
}
}
break;
fseeko(stream->file_handle, fsize >> 1, SEEK_SET);
align_to_next_packet(stream);
- // Read the Transport Stream Packets (188 bytes each) looking at first for PID 0 (the PAT PID), then decode that
- // to find the program map PID and then decode that to get the list of audio and video PIDs
+ // Read the Transport Stream Packets (188 bytes each) looking at first for PID 0 (the PAT PID), then decode that
+ // to find the program map PID and then decode that to get the list of audio and video PIDs
- for (;;)
- {
+ for (;;)
+ {
const uint8_t *buf = next_packet( stream );
if ( buf == NULL )
{
- hb_log("hb_ts_stream_find_pids - end of file");
- break;
- }
+ hb_log("hb_ts_stream_find_pids - end of file");
+ break;
+ }
- // Get pid
- int pid = (((buf[1] & 0x1F) << 8) | buf[2]) & 0x1FFF;
+ // Get pid
+ int pid = (((buf[1] & 0x1F) << 8) | buf[2]) & 0x1FFF;
if ((pid == 0x0000) && (stream->ts_number_pat_entries == 0))
- {
- decode_PAT(buf, stream);
- continue;
- }
-
- int pat_index = 0;
- for (pat_index = 0; pat_index < stream->ts_number_pat_entries; pat_index++)
- {
- // There are some streams where the PAT table has multiple entries as if their are
- // multiple programs in the same transport stream, and yet there's actually only one
- // program really in the stream. This seems to be true for transport streams that
- // originate in the HDHomeRun but have been output by EyeTV's export utility. What I think
- // is happening is that the HDHomeRun is sending the entire transport stream as broadcast,
- // but the EyeTV is only recording a single (selected) program number and not rewriting the
- // PAT info on export to match what's actually on the stream.
- // Until we have a way of handling multiple programs per transport stream elegantly we'll match
- // on the first pat entry for which we find a matching program map PID. The ideal solution would
- // be to build a title choice popup from the PAT program number details and then select from
- // their - but right now the API's not capable of that.
+ {
+ decode_PAT(buf, stream);
+ continue;
+ }
+
+ int pat_index = 0;
+ for (pat_index = 0; pat_index < stream->ts_number_pat_entries; pat_index++)
+ {
+ // There are some streams where the PAT table has multiple entries as if their are
+ // multiple programs in the same transport stream, and yet there's actually only one
+ // program really in the stream. This seems to be true for transport streams that
+ // originate in the HDHomeRun but have been output by EyeTV's export utility. What I think
+ // is happening is that the HDHomeRun is sending the entire transport stream as broadcast,
+ // but the EyeTV is only recording a single (selected) program number and not rewriting the
+ // PAT info on export to match what's actually on the stream.
+ // Until we have a way of handling multiple programs per transport stream elegantly we'll match
+ // on the first pat entry for which we find a matching program map PID. The ideal solution would
+ // be to build a title choice popup from the PAT program number details and then select from
+ // their - but right now the API's not capable of that.
if (stream->pat_info[pat_index].program_number != 0 &&
pid == stream->pat_info[pat_index].program_map_PID)
- {
- if (build_program_map(buf, stream) > 0)
- break;
- }
- }
- // Keep going until we have a complete set of PIDs
- if (stream->ts_number_video_pids > 0)
- break;
- }
-
- hb_log("hb_ts_stream_find_pids - found the following PIDS");
- hb_log(" Video PIDS : ");
+ {
+ if (build_program_map(buf, stream) > 0)
+ break;
+ }
+ }
+ // Keep going until we have a complete set of PIDs
+ if ( index_of_video( stream ) >= 0 )
+ break;
+ }
+
+ hb_log("hb_ts_stream_find_pids - found the following PIDS");
+ hb_log(" Video PIDS : ");
int i;
- for (i=0; i < stream->ts_number_video_pids; i++)
- {
- hb_log( " 0x%x type %s (0x%x)",
- stream->ts_video_pids[i],
- stream_type_name(stream->ts_stream_type[i]),
- stream->ts_stream_type[i]);
- }
- hb_log(" Audio PIDS : ");
- for (i = 0; i < stream->ts_number_audio_pids; i++)
- {
- hb_log( " 0x%x type %s (0x%x)",
- stream->ts_audio_pids[i],
- stream_type_name(stream->ts_stream_type[i+1]),
- stream->ts_stream_type[i+1] );
- }
+ for (i=0; i < stream->ts_number_pids; i++)
+ {
+ if ( stream->ts_stream_kind[i] == V )
+ {
+ hb_log( " 0x%x type %s (0x%x)",
+ stream->ts_pids[i],
+ stream_type_name(stream->ts_stream_type[i]),
+ stream->ts_stream_type[i]);
+ }
+ }
+ hb_log(" Audio PIDS : ");
+ for (i = 0; i < stream->ts_number_pids; i++)
+ {
+ if ( stream->ts_stream_kind[i] != V )
+ {
+ hb_log( " 0x%x type %s (0x%x)",
+ stream->ts_pids[i],
+ stream_type_name(stream->ts_stream_type[i]),
+ stream->ts_stream_type[i] );
+ }
+ }
}
hb_buffer_t *buf = stream->fwrite_buf;
uint8_t *tdat = stream->ts_buf[curstream]->data;
- buf->id = curstream;
+ buf->id = stream->ts_pids[curstream];
+ switch (stream->ts_stream_kind[curstream])
+ {
+ case A:
+ buf->type = AUDIO_BUF;
+ break;
+
+ case V:
+ buf->type = VIDEO_BUF;
+ break;
+
+ default:
+ buf->type = OTHER_BUF;
+ break;
+ }
// check if this packet was referenced to an older pcr and if that
// pcr was significantly different than the one we're using now.
***********************************************************************
*
**********************************************************************/
-static int hb_ts_stream_decode( hb_stream_t *stream, hb_buffer_t *obuf )
+int hb_ts_decode_pkt( hb_stream_t *stream, const uint8_t * pkt, hb_buffer_t *obuf )
{
/*
* stash the output buffer pointer in our stream so we don't have to
obuf->size = 0;
stream->fwrite_buf = obuf;
- // spin until we get a packet of data from some stream or hit eof
- while ( 1 )
- {
- int curstream;
+ int video_index = index_of_video(stream);
- const uint8_t *buf = next_packet(stream);
- if ( buf == NULL )
- {
- // end of file - we didn't finish filling our ps write buffer
- // so just discard the remainder (the partial buffer is useless)
- hb_log("hb_ts_stream_decode - eof");
- return 0;
- }
+ int curstream;
- /* This next section validates the packet */
+ /* This next section validates the packet */
- // Get pid and use it to find stream state.
- int pid = ((buf[1] & 0x1F) << 8) | buf[2];
- if ( ( curstream = index_of_pid( pid, stream ) ) < 0 )
- continue;
+ // Get pid and use it to find stream state.
+ int pid = ((pkt[1] & 0x1F) << 8) | pkt[2];
+ if ( ( curstream = index_of_pid( stream, pid ) ) < 0 )
+ {
+ return 0;
+ }
- // Get error
- int errorbit = (buf[1] & 0x80) != 0;
- if (errorbit)
- {
- ts_err( stream, curstream, "packet error bit set");
- continue;
- }
-
- // Get adaption header info
- int adaption = (buf[3] & 0x30) >> 4;
- int adapt_len = 0;
- if (adaption == 0)
- {
- ts_err( stream, curstream, "adaptation code 0");
- continue;
- }
- else if (adaption == 0x2)
- adapt_len = 184;
- else if (adaption == 0x3)
- {
- adapt_len = buf[4] + 1;
- if (adapt_len > 184)
- {
- ts_err( stream, curstream, "invalid adapt len %d", adapt_len);
- continue;
- }
- }
+ // Get error
+ int errorbit = (pkt[1] & 0x80) != 0;
+ if (errorbit)
+ {
+ ts_err( stream, curstream, "packet error bit set");
+ return 0;
+ }
- if ( adapt_len > 0 )
+ // Get adaption header info
+ int adaption = (pkt[3] & 0x30) >> 4;
+ int adapt_len = 0;
+ if (adaption == 0)
+ {
+ ts_err( stream, curstream, "adaptation code 0");
+ return 0;
+ }
+ else if (adaption == 0x2)
+ adapt_len = 184;
+ else if (adaption == 0x3)
+ {
+ adapt_len = pkt[4] + 1;
+ if (adapt_len > 184)
{
- if ( buf[5] & 0x40 )
- {
- // found a random access point
- }
- // if there's an adaptation header & PCR_flag is set
- // get the PCR (Program Clock Reference)
- if ( adapt_len > 7 && ( buf[5] & 0x10 ) != 0 )
- {
- stream->ts_pcr = ( (uint64_t)buf[6] << (33 - 8) ) |
- ( (uint64_t)buf[7] << (33 - 16) ) |
- ( (uint64_t)buf[8] << (33 - 24) ) |
- ( (uint64_t)buf[9] << (33 - 32) ) |
- ( buf[10] >> 7 );
- ++stream->ts_pcr_in;
- stream->ts_found_pcr = 1;
- }
+ ts_err( stream, curstream, "invalid adapt len %d", adapt_len);
+ return 0;
}
+ }
- // If we don't have a PCR yet but the stream has PCRs just loop
- // so we don't process anything until we have a clock reference.
- // Unfortunately the HD Home Run appears to null out the PCR so if
- // we didn't detect a PCR during scan keep going and we'll use
- // the video stream DTS for the PCR.
-
- if ( !stream->ts_found_pcr && ( stream->ts_flags & TS_HAS_PCR ) )
+ if ( adapt_len > 0 )
+ {
+ if ( pkt[5] & 0x40 )
{
- continue;
+ // found a random access point
+ }
+ // if there's an adaptation header & PCR_flag is set
+ // get the PCR (Program Clock Reference)
+ if ( adapt_len > 7 && ( pkt[5] & 0x10 ) != 0 )
+ {
+ stream->ts_pcr = ( (uint64_t)pkt[6] << (33 - 8) ) |
+ ( (uint64_t)pkt[7] << (33 - 16) ) |
+ ( (uint64_t)pkt[8] << (33 - 24) ) |
+ ( (uint64_t)pkt[9] << (33 - 32) ) |
+ ( pkt[10] >> 7 );
+ ++stream->ts_pcr_in;
+ stream->ts_found_pcr = 1;
+ stream->ts_flags |= TS_HAS_PCR;
}
+ }
- // Get continuity
- // Continuity only increments for adaption values of 0x3 or 0x01
- // and is not checked for start packets.
+ // If we don't have a PCR yet but the stream has PCRs just loop
+ // so we don't process anything until we have a clock reference.
+ // Unfortunately the HD Home Run appears to null out the PCR so if
+ // we didn't detect a PCR during scan keep going and we'll use
+ // the video stream DTS for the PCR.
- int start = (buf[1] & 0x40) != 0;
+ if ( !stream->ts_found_pcr && ( stream->ts_flags & TS_HAS_PCR ) )
+ {
+ return 0;
+ }
- if ( (adaption & 0x01) != 0 )
- {
- int continuity = (buf[3] & 0xF);
- if ( continuity == stream->ts_streamcont[curstream] )
- {
- // Spliced transport streams can have duplicate
- // continuity counts at the splice boundary.
- // Test to see if the packet is really a duplicate
- // by comparing packet summaries to see if they
- // match.
- uint8_t summary[8];
-
- summary[0] = adaption;
- summary[1] = adapt_len;
- if (adapt_len + 4 + 6 + 9 <= 188)
- {
- memcpy(&summary[2], buf+4+adapt_len+9, 6);
- }
- else
- {
- memset(&summary[2], 0, 6);
- }
- if ( memcmp( summary, stream->ts_pkt_summary[curstream], 8 ) == 0 )
- {
- // we got a duplicate packet (usually used to introduce
- // a PCR when one is needed). The only thing that can
- // change in the dup is the PCR which we grabbed above
- // so ignore the rest.
- continue;
- }
- }
- if ( !start && (stream->ts_streamcont[curstream] != -1) &&
- !stream->ts_skipbad[curstream] &&
- (continuity != ( (stream->ts_streamcont[curstream] + 1) & 0xf ) ) )
- {
- ts_err( stream, curstream, "continuity error: got %d expected %d",
- (int)continuity,
- (stream->ts_streamcont[curstream] + 1) & 0xf );
- stream->ts_streamcont[curstream] = continuity;
- continue;
- }
- stream->ts_streamcont[curstream] = continuity;
+ // Get continuity
+ // Continuity only increments for adaption values of 0x3 or 0x01
+ // and is not checked for start packets.
+
+ int start = (pkt[1] & 0x40) != 0;
- // Save a summary of this packet for later duplicate
- // testing. The summary includes some header information
- // and payload bytes. Should be enough to detect
- // non-duplicates.
- stream->ts_pkt_summary[curstream][0] = adaption;
- stream->ts_pkt_summary[curstream][1] = adapt_len;
+ if ( (adaption & 0x01) != 0 )
+ {
+ int continuity = (pkt[3] & 0xF);
+ if ( continuity == stream->ts_streamcont[curstream] )
+ {
+ // Spliced transport streams can have duplicate
+ // continuity counts at the splice boundary.
+ // Test to see if the packet is really a duplicate
+ // by comparing packet summaries to see if they
+ // match.
+ uint8_t summary[8];
+
+ summary[0] = adaption;
+ summary[1] = adapt_len;
if (adapt_len + 4 + 6 + 9 <= 188)
{
- memcpy(&stream->ts_pkt_summary[curstream][2],
- buf+4+adapt_len+9, 6);
+ memcpy(&summary[2], pkt+4+adapt_len+9, 6);
}
else
{
- memset(&stream->ts_pkt_summary[curstream][2], 0, 6);
+ memset(&summary[2], 0, 6);
+ }
+ if ( memcmp( summary, stream->ts_pkt_summary[curstream], 8 ) == 0 )
+ {
+ // we got a duplicate packet (usually used to introduce
+ // a PCR when one is needed). The only thing that can
+ // change in the dup is the PCR which we grabbed above
+ // so ignore the rest.
+ return 0;
}
}
+ if ( !start && (stream->ts_streamcont[curstream] != -1) &&
+ !stream->ts_skipbad[curstream] &&
+ (continuity != ( (stream->ts_streamcont[curstream] + 1) & 0xf ) ) )
+ {
+ ts_err( stream, curstream, "continuity error: got %d expected %d",
+ (int)continuity,
+ (stream->ts_streamcont[curstream] + 1) & 0xf );
+ stream->ts_streamcont[curstream] = continuity;
+ return 0;
+ }
+ stream->ts_streamcont[curstream] = continuity;
- /* If we get here the packet is valid - process its data */
-
- if ( start )
+ // Save a summary of this packet for later duplicate
+ // testing. The summary includes some header information
+ // and payload bytes. Should be enough to detect
+ // non-duplicates.
+ stream->ts_pkt_summary[curstream][0] = adaption;
+ stream->ts_pkt_summary[curstream][1] = adapt_len;
+ if (adapt_len + 4 + 6 + 9 <= 188)
{
- // Found a random access point (now we can start a frame/audio packet..)
+ memcpy(&stream->ts_pkt_summary[curstream][2],
+ pkt+4+adapt_len+9, 6);
+ }
+ else
+ {
+ memset(&stream->ts_pkt_summary[curstream][2], 0, 6);
+ }
+ }
- if ( stream->need_keyframe )
- {
- // we're looking for the first video frame because we're
- // doing random access during 'scan'
- if ( curstream != 0 || !isIframe( stream, buf, adapt_len ) )
- {
- // not the video stream or didn't find an I frame
- // but we'll only wait 255 video frames for an I frame.
- if ( curstream != 0 || ++stream->need_keyframe )
- {
- continue;
- }
- }
- stream->need_keyframe = 0;
- }
+ /* If we get here the packet is valid - process its data */
- // If we were skipping a bad packet, start fresh on this new PES packet..
- if (stream->ts_skipbad[curstream] == 1)
- {
- stream->ts_skipbad[curstream] = 0;
- }
+ if ( start )
+ {
+ // Found a random access point (now we can start a frame/audio packet..)
- if ( curstream == 0 )
+ if ( stream->need_keyframe )
+ {
+ // we're looking for the first video frame because we're
+ // doing random access during 'scan'
+ if ( curstream != video_index || !isIframe( stream, pkt, adapt_len ) )
{
- ++stream->frames;
-
- // if we don't have a pcr yet use the dts from this frame
- if ( !stream->ts_found_pcr )
+ // not the video stream or didn't find an I frame
+ // but we'll only wait 255 video frames for an I frame.
+ if ( curstream != video_index || ++stream->need_keyframe )
{
- // PES must begin with an mpeg start code & contain
- // a DTS or PTS.
- const uint8_t *pes = buf + adapt_len + 4;
- if ( pes[0] != 0x00 || pes[1] != 0x00 || pes[2] != 0x01 ||
- ( pes[7] >> 6 ) == 0 )
- {
- continue;
- }
- // if we have a dts use it otherwise use the pts
- stream->ts_pcr = pes_timestamp( pes + ( pes[7] & 0x40? 14 : 9 ) );
- ++stream->ts_pcr_in;
+ return 0;
}
}
+ stream->need_keyframe = 0;
+ }
+
+ // If we were skipping a bad packet, start fresh on this new PES packet..
+ if (stream->ts_skipbad[curstream] == 1)
+ {
+ stream->ts_skipbad[curstream] = 0;
+ }
- // if this is a multiplexed stream make sure this is the
- // substream we want.
- if ( stream->ts_multiplexed[curstream] )
+ if ( curstream == video_index )
+ {
+ ++stream->frames;
+
+ // if we don't have a pcr yet use the dts from this frame
+ if ( !stream->ts_found_pcr )
{
// PES must begin with an mpeg start code & contain
// a DTS or PTS.
- const uint8_t *pes = buf + adapt_len + 4;
+ const uint8_t *pes = pkt + adapt_len + 4;
if ( pes[0] != 0x00 || pes[1] != 0x00 || pes[2] != 0x01 ||
- pes[3] != 0xfd )
+ ( pes[7] >> 6 ) == 0 )
{
- stream->ts_skipbad[curstream] = 1;
- continue;
- }
- // the last byte of the header is the extension id. see if
- // it's the one we want.
- if ( pes[pes[8]+8] != stream->ts_multiplexed[curstream] )
- {
- stream->ts_skipbad[curstream] = 1;
- continue;
+ return 0;
}
+ // if we have a dts use it otherwise use the pts
+ stream->ts_pcr = pes_timestamp( pes + ( pes[7] & 0x40?14:9 ) );
+ ++stream->ts_pcr_in;
}
+ }
- // If we have some data already on this stream, turn it into
- // a program stream packet. Then add the payload for this
- // packet to the current pid's buffer.
- if ( stream->ts_pos[curstream] )
+ // if this is a multiplexed stream make sure this is the
+ // substream we want.
+ if ( stream->ts_multiplexed[curstream] )
+ {
+ // PES must begin with an mpeg start code & contain
+ // a DTS or PTS.
+ const uint8_t *pes = pkt + adapt_len + 4;
+ if ( pes[0] != 0x00 || pes[1] != 0x00 || pes[2] != 0x01 ||
+ pes[3] != 0xfd )
{
- // we have to ship the old packet before updating the pcr
- // since the packet we've been accumulating is referenced
- // to the old pcr.
- generate_output_data(stream, curstream);
-
- // remember the pcr that was in effect when we started
- // this packet.
- stream->ts_buf[curstream]->cur = stream->ts_pcr_in;
- hb_ts_stream_append_pkt(stream, curstream, buf + 4 + adapt_len,
- 184 - adapt_len);
- return 1;
+ stream->ts_skipbad[curstream] = 1;
+ return 0;
+ }
+ // the last byte of the header is the extension id. see if
+ // it's the one we want.
+ if ( pes[pes[8]+8] != stream->ts_multiplexed[curstream] )
+ {
+ stream->ts_skipbad[curstream] = 1;
+ return 0;
}
- // remember the pcr that was in effect when we started this packet.
- stream->ts_buf[curstream]->cur = stream->ts_pcr_in;
}
- // Add the payload for this packet to the current buffer
- if (!stream->ts_skipbad[curstream] && (184 - adapt_len) > 0)
- {
- hb_ts_stream_append_pkt(stream, curstream, buf + 4 + adapt_len,
+ // If we have some data already on this stream, turn it into
+ // a program stream packet. Then add the payload for this
+ // packet to the current pid's buffer.
+ if ( stream->ts_pos[curstream] )
+ {
+ // we have to ship the old packet before updating the pcr
+ // since the packet we've been accumulating is referenced
+ // to the old pcr.
+ generate_output_data(stream, curstream);
+
+ // remember the pcr that was in effect when we started
+ // this packet.
+ stream->ts_buf[curstream]->cur = stream->ts_pcr_in;
+ hb_ts_stream_append_pkt(stream, curstream, pkt + 4 + adapt_len,
184 - adapt_len);
- // see if we've hit the end of this PES packet
- const uint8_t *pes = stream->ts_buf[curstream]->data;
- int len = ( pes[4] << 8 ) + pes[5] + 6;
- if ( len > 6 && stream->ts_pos[curstream] == len &&
- pes[0] == 0x00 && pes[1] == 0x00 && pes[2] == 0x01 )
- {
- generate_output_data(stream, curstream);
- return 1;
- }
- }
- }
+ return 1;
+ }
+ // remember the pcr that was in effect when we started this packet.
+ stream->ts_buf[curstream]->cur = stream->ts_pcr_in;
+ }
+
+ // Add the payload for this packet to the current buffer
+ if (!stream->ts_skipbad[curstream] && (184 - adapt_len) > 0)
+ {
+ hb_ts_stream_append_pkt(stream, curstream, pkt + 4 + adapt_len,
+ 184 - adapt_len);
+ // see if we've hit the end of this PES packet
+ const uint8_t *pes = stream->ts_buf[curstream]->data;
+ int len = ( pes[4] << 8 ) + pes[5] + 6;
+ if ( len > 6 && stream->ts_pos[curstream] == len &&
+ pes[0] == 0x00 && pes[1] == 0x00 && pes[2] == 0x01 )
+ {
+ generate_output_data(stream, curstream);
+ return 1;
+ }
+ }
+ return 0;
+}
+
+static int hb_ts_stream_decode( hb_stream_t *stream, hb_buffer_t *obuf )
+{
+ // spin until we get a packet of data from some stream or hit eof
+ while ( 1 )
+ {
+ const uint8_t *buf = next_packet(stream);
+ if ( buf == NULL )
+ {
+ // end of file - we didn't finish filling our ps write buffer
+ // so just discard the remainder (the partial buffer is useless)
+ hb_log("hb_ts_stream_decode - eof");
+ return 0;
+ }
+
+ if (hb_ts_decode_pkt( stream, buf, obuf ))
+ {
+ return 1;
+ }
+ }
+ return 0;
}
static void hb_ts_stream_reset(hb_stream_t *stream)
{
- int i;
+ int i;
- for (i=0; i < kMaxNumberDecodeStreams; i++)
- {
- stream->ts_pos[i] = 0;
- stream->ts_skipbad[i] = 1;
- stream->ts_streamcont[i] = -1;
- }
+ for (i=0; i < kMaxNumberDecodeStreams; i++)
+ {
+ stream->ts_pos[i] = 0;
+ stream->ts_skipbad[i] = 1;
+ stream->ts_streamcont[i] = -1;
+ }
stream->need_keyframe = 0;
void *hb_ffmpeg_context( int codec_param )
{
+ if ( ffmpeg_streams == NULL )
+ return NULL;
+
int slot = codec_param & (ffmpeg_sl_size - 1);
int stream_index = codec_param >> ffmpeg_sl_bits;
return ffmpeg_streams[slot]->ffmpeg_ic->streams[stream_index]->codec;
void *hb_ffmpeg_avstream( int codec_param )
{
+ if ( ffmpeg_streams == NULL )
+ return NULL;
+
int slot = codec_param & (ffmpeg_sl_size - 1);
int stream_index = codec_param >> ffmpeg_sl_bits;
return ffmpeg_streams[slot]->ffmpeg_ic->streams[stream_index];
{
return 0;
}
- if ( av_find_stream_info( ic ) < 0 )
+ if ( hb_av_find_stream_info( ic ) < 0 )
goto fail;
stream->ffmpeg_ic = ic;
// we're opening for scan. let ffmpeg put some info into the
// log about what we've got.
av_log_set_level( AV_LOG_INFO );
- dump_format( ic, 0, stream->path, 0 );
+ av_dump_format( ic, 0, stream->path, 0 );
av_log_set_level( AV_LOG_ERROR );
// accept this file if it has at least one video stream we can decode
{
AVStream *st = stream->ffmpeg_ic->streams[id];
AVCodecContext *codec = st->codec;
+ AVMetadataTag *tag;
+ int layout;
// scan will ignore any audio without a bitrate. Since we've already
// typed the audio in order to determine its codec we set up the audio
// paramters here.
+ layout = hb_ff_layout_xlat( codec->channel_layout, codec->channels );
+ if ( !layout )
+ {
+ // Unsupported layout
+ return;
+ }
if ( codec->bit_rate || codec->sample_rate )
{
- static const int chan2layout[] = {
- HB_INPUT_CH_LAYOUT_MONO, // We should allow no audio really.
- HB_INPUT_CH_LAYOUT_MONO,
- HB_INPUT_CH_LAYOUT_STEREO,
- HB_INPUT_CH_LAYOUT_2F1R,
- HB_INPUT_CH_LAYOUT_2F2R,
- HB_INPUT_CH_LAYOUT_3F2R,
- HB_INPUT_CH_LAYOUT_4F2R,
- HB_INPUT_CH_LAYOUT_STEREO,
- HB_INPUT_CH_LAYOUT_STEREO,
- };
-
hb_audio_t *audio = calloc( 1, sizeof(*audio) );;
audio->id = id;
{
audio->config.in.codec = HB_ACODEC_AC3;
}
- else if ( codec->codec_id == CODEC_ID_DTS )
+ else if ( codec->codec_id == CODEC_ID_DTS &&
+ ( codec->profile == FF_PROFILE_DTS ||
+ codec->profile == FF_PROFILE_DTS_ES ||
+ codec->profile == FF_PROFILE_DTS_96_24 ) )
{
audio->config.in.codec = HB_ACODEC_DCA;
}
audio->config.in.bitrate = codec->bit_rate? codec->bit_rate : 1;
audio->config.in.samplerate = codec->sample_rate;
- audio->config.in.channel_layout = chan2layout[codec->channels & 7];
+ audio->config.in.channel_layout = layout;
}
- set_audio_description( audio, lang_for_code2( st->language ) );
+ tag = av_metadata_get( st->metadata, "language", NULL, 0 );
+ set_audio_description( audio,
+ lang_for_code2( tag ? tag->value : "und" ) );
hb_list_add( title->list_audio, audio );
}
}
+/*
+ * Format:
+ * MkvVobSubtitlePrivateData = ( Line )*
+ * Line = FieldName ':' ' ' FieldValue '\n'
+ * FieldName = [^:]+
+ * FieldValue = [^\n]+
+ *
+ * The line of interest is:
+ * PaletteLine = "palette" ':' ' ' RRGGBB ( ',' ' ' RRGGBB )*
+ *
+ * More information on the format at:
+ * http://www.matroska.org/technical/specs/subtitles/images.html
+ */
+static int ffmpeg_parse_vobsub_extradata_mkv( AVCodecContext *codec, hb_subtitle_t *subtitle )
+{
+ // lines = (string) codec->extradata;
+ char *lines = malloc( codec->extradata_size + 1 );
+ if ( lines == NULL )
+ return 1;
+ memcpy( lines, codec->extradata, codec->extradata_size );
+ lines[codec->extradata_size] = '\0';
+
+ uint32_t rgb[16];
+ int gotPalette = 0;
+ int gotDimensions = 0;
+
+ char *curLine, *curLine_parserData;
+ for ( curLine = strtok_r( lines, "\n", &curLine_parserData );
+ curLine;
+ curLine = strtok_r( NULL, "\n", &curLine_parserData ) )
+ {
+ if (!gotPalette)
+ {
+ int numElementsRead = sscanf(curLine, "palette: "
+ "%06x, %06x, %06x, %06x, "
+ "%06x, %06x, %06x, %06x, "
+ "%06x, %06x, %06x, %06x, "
+ "%06x, %06x, %06x, %06x",
+ &rgb[0], &rgb[1], &rgb[2], &rgb[3],
+ &rgb[4], &rgb[5], &rgb[6], &rgb[7],
+ &rgb[8], &rgb[9], &rgb[10], &rgb[11],
+ &rgb[12], &rgb[13], &rgb[14], &rgb[15]);
+
+ if (numElementsRead == 16) {
+ gotPalette = 1;
+ }
+ }
+ if (!gotDimensions)
+ {
+ int numElementsRead = sscanf(curLine, "size: %dx%d",
+ &subtitle->width, &subtitle->height);
+
+ if (numElementsRead == 2) {
+ gotDimensions = 1;
+ }
+ }
+ if (gotPalette && gotDimensions)
+ break;
+ }
+
+ if (subtitle->width == 0 || subtitle->height == 0)
+ {
+ subtitle->width = 720;
+ subtitle->height = 480;
+ }
+
+ free( lines );
+
+ if ( gotPalette )
+ {
+ int i;
+ for (i=0; i<16; i++)
+ subtitle->palette[i] = hb_rgb2yuv(rgb[i]);
+ return 0;
+ }
+ else
+ {
+ return 1;
+ }
+}
+
+/*
+ * Format: 8-bit {0,Y,Cb,Cr} x 16
+ */
+static int ffmpeg_parse_vobsub_extradata_mp4( AVCodecContext *codec, hb_subtitle_t *subtitle )
+{
+ if ( codec->extradata_size != 4*16 )
+ return 1;
+
+ int i, j;
+ for ( i=0, j=0; i<16; i++, j+=4 )
+ {
+ subtitle->palette[i] =
+ codec->extradata[j+1] << 16 | // Y
+ codec->extradata[j+2] << 8 | // Cb
+ codec->extradata[j+3] << 0; // Cr
+ }
+ if (codec->width <= 0 || codec->height <= 0)
+ {
+ subtitle->width = 720;
+ subtitle->height = 480;
+ }
+ else
+ {
+ subtitle->width = codec->width;
+ subtitle->height = codec->height;
+ }
+ return 0;
+}
+
+/*
+ * Parses the 'subtitle->palette' information from the specific VOB subtitle track's private data.
+ * Returns 0 if successful or 1 if parsing failed or was incomplete.
+ */
+static int ffmpeg_parse_vobsub_extradata( AVCodecContext *codec, hb_subtitle_t *subtitle )
+{
+ // XXX: Better if we actually chose the correct parser based on the input container
+ return
+ ffmpeg_parse_vobsub_extradata_mkv( codec, subtitle ) &&
+ ffmpeg_parse_vobsub_extradata_mp4( codec, subtitle );
+}
+
+static void add_ffmpeg_subtitle( hb_title_t *title, hb_stream_t *stream, int id )
+{
+ AVStream *st = stream->ffmpeg_ic->streams[id];
+ AVCodecContext *codec = st->codec;
+
+ hb_subtitle_t *subtitle = calloc( 1, sizeof(*subtitle) );
+
+ subtitle->id = id;
+
+ switch ( codec->codec_id )
+ {
+ case CODEC_ID_DVD_SUBTITLE:
+ subtitle->format = PICTURESUB;
+ subtitle->source = VOBSUB;
+ subtitle->config.dest = RENDERSUB; // By default render (burn-in) the VOBSUB.
+ if ( ffmpeg_parse_vobsub_extradata( codec, subtitle ) )
+ hb_log( "add_ffmpeg_subtitle: malformed extradata for VOB subtitle track; "
+ "subtitle colors likely to be wrong" );
+ break;
+ case CODEC_ID_TEXT:
+ subtitle->format = TEXTSUB;
+ subtitle->source = UTF8SUB;
+ subtitle->config.dest = PASSTHRUSUB;
+ break;
+ case CODEC_ID_MOV_TEXT: // TX3G
+ subtitle->format = TEXTSUB;
+ subtitle->source = TX3GSUB;
+ subtitle->config.dest = PASSTHRUSUB;
+ break;
+ case CODEC_ID_SSA:
+ subtitle->format = TEXTSUB;
+ subtitle->source = SSASUB;
+ subtitle->config.dest = PASSTHRUSUB;
+ break;
+ default:
+ hb_log( "add_ffmpeg_subtitle: unknown subtitle stream type: 0x%x", (int) codec->codec_id );
+ free(subtitle);
+ return;
+ }
+
+ AVMetadataTag *tag;
+ iso639_lang_t *language;
+
+ tag = av_metadata_get( st->metadata, "language", NULL, 0 );
+ language = lang_for_code2( tag ? tag->value : "und" );
+ strcpy( subtitle->lang, language->eng_name );
+ strncpy( subtitle->iso639_2, language->iso639_2, 4 );
+
+ // Copy the extradata for the subtitle track
+ subtitle->extradata = malloc( codec->extradata_size );
+ memcpy( subtitle->extradata, codec->extradata, codec->extradata_size );
+ subtitle->extradata_size = codec->extradata_size;
+
+ hb_list_add(title->list_subtitle, subtitle);
+}
+
+static char *get_ffmpeg_metadata_value( AVMetadata *m, char *key )
+{
+ AVMetadataTag *tag = NULL;
+ while ( (tag = av_metadata_get(m, "", tag, AV_METADATA_IGNORE_SUFFIX)) )
+ {
+ if ( !strcmp( key, tag->key ) )
+ {
+ return tag->value;
+ }
+ }
+ return NULL;
+}
+
+static void add_ffmpeg_attachment( hb_title_t *title, hb_stream_t *stream, int id )
+{
+ AVStream *st = stream->ffmpeg_ic->streams[id];
+ AVCodecContext *codec = st->codec;
+
+ enum attachtype type;
+ switch ( codec->codec_id )
+ {
+ case CODEC_ID_TTF:
+ type = FONT_TTF_ATTACH;
+ break;
+ default:
+ // Ignore unrecognized attachment type
+ return;
+ }
+
+ hb_attachment_t *attachment = calloc( 1, sizeof(*attachment) );
+
+ // Copy the attachment name and data
+ attachment->type = type;
+ attachment->name = strdup( get_ffmpeg_metadata_value( st->metadata, "filename" ) );
+ attachment->data = malloc( codec->extradata_size );
+ memcpy( attachment->data, codec->extradata, codec->extradata_size );
+ attachment->size = codec->extradata_size;
+
+ hb_list_add(title->list_attachment, attachment);
+}
+
static hb_title_t *ffmpeg_title_scan( hb_stream_t *stream )
{
AVFormatContext *ic = stream->ffmpeg_ic;
title->type = HB_STREAM_TYPE;
title->index = 1;
- // Copy part of the stream path to the title name
- char *sep = strrchr(stream->path, '/');
- if (sep)
- strcpy(title->name, sep+1);
- char *dot_term = strrchr(title->name, '.');
- if (dot_term)
- *dot_term = '\0';
+ // Copy part of the stream path to the title name
+ char *sep = strrchr(stream->path, '/');
+ if (sep)
+ strcpy(title->name, sep+1);
+ char *dot_term = strrchr(title->name, '.');
+ if (dot_term)
+ *dot_term = '\0';
uint64_t dur = ic->duration * 90000 / AV_TIME_BASE;
title->duration = dur;
avcodec_find_decoder( ic->streams[i]->codec->codec_id ) &&
title->video_codec == 0 )
{
+ AVCodecContext *context = ic->streams[i]->codec;
+ if ( context->pix_fmt != PIX_FMT_YUV420P &&
+ !sws_isSupportedInput( context->pix_fmt ) )
+ {
+ hb_log( "ffmpeg_title_scan: Unsupported color space" );
+ continue;
+ }
title->video_id = i;
stream->ffmpeg_video_id = i;
{
add_ffmpeg_audio( title, stream, i );
}
+ else if ( ic->streams[i]->codec->codec_type == CODEC_TYPE_SUBTITLE )
+ {
+ add_ffmpeg_subtitle( title, stream, i );
+ }
+ else if ( ic->streams[i]->codec->codec_type == CODEC_TYPE_ATTACHMENT )
+ {
+ add_ffmpeg_attachment( title, stream, i );
+ }
}
title->container_name = strdup( ic->iformat->name );
for( i = 0; i < ic->nb_chapters; i++ )
if( ( m = ic->chapters[i] ) != NULL )
{
+ AVMetadataTag *tag;
hb_chapter_t * chapter;
chapter = calloc( sizeof( hb_chapter_t ), 1 );
chapter->index = i+1;
chapter->hours = chapter->duration / 90000 / 3600;
chapter->minutes = ( ( chapter->duration / 90000 ) % 3600 ) / 60;
chapter->seconds = ( chapter->duration / 90000 ) % 60;
- strcpy( chapter->title, m->title );
+ tag = av_metadata_get( m->metadata, "title", NULL, 0 );
+ strcpy( chapter->title, tag ? tag->value : "" );
hb_deep_log( 2, "Added chapter %i, name='%s', dur=%"PRIu64", (%02i:%02i:%02i)",
chapter->index, chapter->title,
chapter->duration, chapter->hours,
again:
if ( ( err = av_read_frame( stream->ffmpeg_ic, stream->ffmpeg_pkt )) < 0 )
{
+ // av_read_frame can return EAGAIN. In this case, it expects
+ // to be called again to get more data.
+ if ( err == AVERROR(EAGAIN) )
+ {
+ goto again;
+ }
// XXX the following conditional is to handle avi files that
// use M$ 'packed b-frames' and occasionally have negative
// sizes for the null frames these require.
{
buf->renderOffset = buf->start;
}
+
+ /*
+ * Fill out buf->stop for subtitle packets
+ *
+ * libavcodec's MKV demuxer stores the duration of UTF-8 subtitles (CODEC_ID_TEXT)
+ * in the 'convergence_duration' field for some reason.
+ *
+ * Other subtitles' durations are stored in the 'duration' field.
+ *
+ * VOB subtitles (CODEC_ID_DVD_SUBTITLE) do not have their duration stored in
+ * either field. This is not a problem because the VOB decoder can extract this
+ * information from the packet payload itself.
+ *
+ * SSA subtitles (CODEC_ID_SSA) do not have their duration stored in
+ * either field. This is not a problem because the SSA decoder can extract this
+ * information from the packet payload itself.
+ */
+ enum CodecID ffmpeg_pkt_codec = stream->ffmpeg_ic->streams[stream->ffmpeg_pkt->stream_index]->codec->codec_id;
+ if ( ffmpeg_pkt_codec == CODEC_ID_TEXT ) {
+ int64_t ffmpeg_pkt_duration = stream->ffmpeg_pkt->convergence_duration;
+ int64_t buf_duration = av_to_hb_pts( ffmpeg_pkt_duration, tsconv );
+ buf->stop = buf->start + buf_duration;
+ }
+ if ( ffmpeg_pkt_codec == CODEC_ID_MOV_TEXT ) {
+ int64_t ffmpeg_pkt_duration = stream->ffmpeg_pkt->duration;
+ int64_t buf_duration = av_to_hb_pts( ffmpeg_pkt_duration, tsconv );
+ buf->stop = buf->start + buf_duration;
+ }
/*
* Check to see whether this video buffer is on a chapter
}
return 1;
}
+
+// Assumes that we are always seeking forward
+static int ffmpeg_seek_ts( hb_stream_t *stream, int64_t ts )
+{
+ AVFormatContext *ic = stream->ffmpeg_ic;
+ int64_t pos;
+
+ pos = ts * AV_TIME_BASE / 90000 + ffmpeg_initial_timestamp( stream );
+ stream->need_keyframe = 1;
+ // Seek to the nearest timestamp before that requested where
+ // there is an I-frame
+ return av_seek_frame( ic, -1, pos, AVSEEK_FLAG_BACKWARD );
+}
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