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write timecode track in gxf

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Originally committed as revision 17890 to svn://svn.ffmpeg.org/ffmpeg/trunk
release/0.6
Baptiste Coudurier 16 years ago
parent 33605366ee
commit 46a7e3ec14
2 changed files with 111 additions and 72 deletions
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  1. 91
      libavformat/gxfenc.c
  2. 92
      tests/seek.regression.ref

91
libavformat/gxfenc.c
Unescape View File

@ -58,6 +58,7 @@ typedef struct GXFContext {
uint16_t umf_media_size;
int sample_rate;
int flags;
GXFStreamContext timecode_track;
} GXFContext;
typedef struct GXF_Lines {
@ -198,7 +199,6 @@ static int gxf_write_mpeg_auxiliary(ByteIOContext *pb, AVStream *st)
static int gxf_write_timecode_auxiliary(ByteIOContext *pb, GXFStreamContext *sc)
{
/* FIXME implement that */
put_byte(pb, 0); /* fields */
put_byte(pb, 0); /* seconds */
put_byte(pb, 0); /* minutes */
@ -208,14 +208,15 @@ static int gxf_write_timecode_auxiliary(ByteIOContext *pb, GXFStreamContext *sc)
return 8;
}
static int gxf_write_track_description(ByteIOContext *pb, AVStream *st)
static int gxf_write_track_description(AVFormatContext *s, GXFStreamContext *sc, int index)
{
GXFStreamContext *sc = st->priv_data;
ByteIOContext *pb = s->pb;
int64_t pos;
int mpeg = sc->track_type == 4 || sc->track_type == 9;
/* track description section */
put_byte(pb, sc->media_type + 0x80);
put_byte(pb, st->index + 0xC0);
put_byte(pb, index + 0xC0);
pos = url_ftell(pb);
put_be16(pb, 0); /* size */
@ -227,11 +228,11 @@ static int gxf_write_track_description(ByteIOContext *pb, AVStream *st)
put_be16(pb, sc->media_info);
put_byte(pb, 0);
if (st->codec->codec_id != CODEC_ID_MPEG2VIDEO) {
if (!mpeg) {
/* auxiliary information */
put_byte(pb, TRACK_AUX);
put_byte(pb, 8);
if (st->codec->codec_id == CODEC_ID_NONE)
if (sc->track_type == 3)
gxf_write_timecode_auxiliary(pb, sc);
else
put_le64(pb, 0);
@ -242,8 +243,8 @@ static int gxf_write_track_description(ByteIOContext *pb, AVStream *st)
put_byte(pb, 4);
put_be32(pb, 0);
if (st->codec->codec_id == CODEC_ID_MPEG2VIDEO)
gxf_write_mpeg_auxiliary(pb, st);
if (mpeg)
gxf_write_mpeg_auxiliary(pb, s->streams[index]);
/* frame rate */
put_byte(pb, TRACK_FPS);
@ -313,6 +314,7 @@ static int gxf_write_material_data_section(AVFormatContext *s)
static int gxf_write_track_description_section(AVFormatContext *s)
{
GXFContext *gxf = s->priv_data;
ByteIOContext *pb = s->pb;
int64_t pos;
int i;
@ -320,7 +322,10 @@ static int gxf_write_track_description_section(AVFormatContext *s)
pos = url_ftell(pb);
put_be16(pb, 0); /* size */
for (i = 0; i < s->nb_streams; ++i)
gxf_write_track_description(pb, s->streams[i]);
gxf_write_track_description(s, s->streams[i]->priv_data, i);
gxf_write_track_description(s, &gxf->timecode_track, s->nb_streams);
return updateSize(pb, pos);
}
@ -385,7 +390,7 @@ static int gxf_write_umf_material_description(AVFormatContext *s)
put_le16(pb, 0); /* reserved */
put_le16(pb, 0); /* reserved */
put_le16(pb, gxf->audio_tracks);
put_le16(pb, 0); /* timecode track count */
put_le16(pb, 1); /* timecode track count */
put_le16(pb, 0); /* reserved */
put_le16(pb, gxf->mpeg_tracks);
return 48;
@ -398,10 +403,10 @@ static int gxf_write_umf_payload(AVFormatContext *s)
put_le32(pb, gxf->umf_length); /* total length of the umf data */
put_le32(pb, 3); /* version */
put_le32(pb, s->nb_streams);
put_le32(pb, s->nb_streams+1);
put_le32(pb, gxf->umf_track_offset); /* umf track section offset */
put_le32(pb, gxf->umf_track_size);
put_le32(pb, s->nb_streams);
put_le32(pb, s->nb_streams+1);
put_le32(pb, gxf->umf_media_offset);
put_le32(pb, gxf->umf_media_size);
put_le32(pb, gxf->umf_length); /* user data offset */
@ -424,6 +429,10 @@ static int gxf_write_umf_track_description(AVFormatContext *s)
put_le16(pb, sc->media_info);
put_le16(pb, 1);
}
put_le16(pb, gxf->timecode_track.media_info);
put_le16(pb, 1);
return url_ftell(pb) - pos;
}
@ -452,15 +461,14 @@ static int gxf_write_umf_media_mpeg(ByteIOContext *pb, AVStream *st)
static int gxf_write_umf_media_timecode(ByteIOContext *pb, GXFStreamContext *sc)
{
/* FIXME implement */
put_be32(pb, 0); /* drop frame flag */
put_be32(pb, 0); /* reserved */
put_be32(pb, 0); /* reserved */
put_be32(pb, 0); /* reserved */
put_be32(pb, 0); /* reserved */
put_be32(pb, 0); /* reserved */
put_be32(pb, 0); /* reserved */
put_be32(pb, 0); /* reserved */
put_le32(pb, 1); /* non drop frame */
put_le32(pb, 0); /* reserved */
put_le32(pb, 0); /* reserved */
put_le32(pb, 0); /* reserved */
put_le32(pb, 0); /* reserved */
put_le32(pb, 0); /* reserved */
put_le32(pb, 0); /* reserved */
put_le32(pb, 0); /* reserved */
return 32;
}
@ -505,13 +513,17 @@ static int gxf_write_umf_media_description(AVFormatContext *s)
pos = url_ftell(pb);
gxf->umf_media_offset = pos - gxf->umf_start_offset;
for (i = 0; i < s->nb_streams; ++i) {
AVStream *st = s->streams[i];
GXFStreamContext *sc = st->priv_data;
for (i = 0; i <= s->nb_streams; ++i) {
GXFStreamContext *sc;
char buffer[88];
int64_t startpos, curpos;
int path_size = strlen(ES_NAME_PATTERN);
if (i == s->nb_streams)
sc = &gxf->timecode_track;
else
sc = s->streams[i]->priv_data;
memset(buffer, 0, 88);
startpos = url_ftell(pb);
put_le16(pb, 0); /* length */
@ -530,6 +542,11 @@ static int gxf_write_umf_media_description(AVFormatContext *s)
put_le32(pb, sc->sample_rate);
put_le32(pb, sc->sample_size);
put_le32(pb, 0); /* reserved */
if (sc == &gxf->timecode_track)
gxf_write_umf_media_timecode(pb, sc); /* 8 0bytes */
else {
AVStream *st = s->streams[i];
switch (st->codec->codec_id) {
case CODEC_ID_MPEG2VIDEO:
gxf_write_umf_media_mpeg(pb, st);
@ -540,9 +557,9 @@ static int gxf_write_umf_media_description(AVFormatContext *s)
case CODEC_ID_DVVIDEO:
gxf_write_umf_media_dv(pb, sc);
break;
default:
gxf_write_umf_media_timecode(pb, sc); /* 8 0bytes */
}
}
curpos = url_ftell(pb);
url_fseek(pb, startpos, SEEK_SET);
put_le16(pb, curpos - startpos);
@ -574,10 +591,26 @@ static int gxf_write_umf_packet(AVFormatContext *s)
static const int GXF_samples_per_frame[] = { 32768, 0 };
static void gxf_init_timecode_track(GXFStreamContext *sc, GXFStreamContext *vsc)
{
if (!vsc)
return;
sc->media_type = vsc->sample_rate == 60 ? 7 : 8;
sc->sample_rate = vsc->sample_rate;
sc->media_info = ('T'<<8) | '0';
sc->track_type = 3;
sc->frame_rate_index = vsc->frame_rate_index;
sc->lines_index = vsc->lines_index;
sc->sample_size = 16;
sc->fields = vsc->fields;
}
static int gxf_write_header(AVFormatContext *s)
{
ByteIOContext *pb = s->pb;
GXFContext *gxf = s->priv_data;
GXFStreamContext *vsc = NULL;
uint8_t tracks[255] = {0};
int i, media_info = 0;
@ -631,6 +664,9 @@ static int gxf_write_header(AVFormatContext *s)
sc->lines_index = -1;
sc->sample_size = st->codec->bit_rate;
sc->fields = 2; /* interlaced */
vsc = sc;
switch (st->codec->codec_id) {
case CODEC_ID_MJPEG:
sc->track_type = 1;
@ -673,6 +709,9 @@ static int gxf_write_header(AVFormatContext *s)
if (ff_audio_interleave_init(s, GXF_samples_per_frame, (AVRational){ 1, 48000 }) < 0)
return -1;
gxf_init_timecode_track(&gxf->timecode_track, vsc);
gxf->flags |= 0x200000; // time code track is non-drop frame
gxf_write_map_packet(s);
//gxf_write_flt_packet(s);
gxf_write_umf_packet(s);

92
tests/seek.regression.ref
Unescape View File

@ -2907,59 +2907,59 @@ ret:-22 st:-1 ts:0.460008 flags:0
ret:-22 st:-1 ts:-0.645825 flags:1
----------------
tests/data/b-libav.gxf
ret: 0 st: 0 dts:0.000000 pts:-184467440737095520.000000 pos:752 size:55076 flags:1
ret: 0 st: 0 dts:0.000000 pts:-184467440737095520.000000 pos:940 size:55076 flags:1
ret: 0 st:-1 ts:-1.000000 flags:0
ret: 0 st: 1 dts:0.000000 pts:0.000000 pos:55860 size:65536 flags:1
ret: 0 st: 1 dts:0.000000 pts:0.000000 pos:56048 size:65536 flags:1
ret: 0 st:-1 ts:1.894167 flags:1
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751660 size:54320 flags:1
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751848 size:54320 flags:1
ret: 0 st: 0 ts:0.780000 flags:0
ret: 0 st: 0 dts:0.800000 pts:-184467440737095520.000000 pos:661360 size:22568 flags:0
ret: 0 st: 0 dts:0.800000 pts:-184467440737095520.000000 pos:661548 size:22568 flags:0
ret: 0 st: 0 ts:-0.320000 flags:1
ret: 0 st: 0 dts:0.000000 pts:-184467440737095520.000000 pos:752 size:55076 flags:1
ret: 0 st: 0 dts:0.000000 pts:-184467440737095520.000000 pos:940 size:55076 flags:1
ret: 0 st: 1 ts:2.580000 flags:0
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751660 size:54320 flags:1
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751848 size:54320 flags:1
ret: 0 st: 1 ts:1.480000 flags:1
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751660 size:54320 flags:1
ret: 0 st:-1 ts:0.365002 flags:0
ret: 0 st: 0 dts:0.360000 pts:-184467440737095520.000000 pos:303896 size:23176 flags:0
ret: 0 st:-1 ts:-0.740831 flags:1
ret: 0 st: 0 dts:0.000000 pts:-184467440737095520.000000 pos:752 size:55076 flags:1
ret: 0 st: 0 ts:2.160000 flags:0
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751660 size:54320 flags:1
ret: 0 st: 0 ts:1.040000 flags:1
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751660 size:54320 flags:1
ret: 0 st: 1 ts:-0.060000 flags:0
ret: 0 st: 1 dts:0.000000 pts:0.000000 pos:55860 size:65536 flags:1
ret: 0 st: 1 ts:2.840000 flags:1
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751660 size:54320 flags:1
ret: 0 st:-1 ts:1.730004 flags:0
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751660 size:54320 flags:1
ret: 0 st:-1 ts:0.624171 flags:1
ret: 0 st: 0 dts:0.600000 pts:-184467440737095520.000000 pos:476172 size:23728 flags:0
ret: 0 st: 0 ts:-0.480000 flags:0
ret: 0 st: 1 dts:0.000000 pts:0.000000 pos:55860 size:65536 flags:1
ret: 0 st: 0 ts:2.420000 flags:1
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751660 size:54320 flags:1
ret: 0 st: 1 ts:1.300000 flags:0
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751660 size:54320 flags:1
ret: 0 st: 1 ts:0.200000 flags:1
ret: 0 st: 0 dts:0.200000 pts:-184467440737095520.000000 pos:211056 size:20944 flags:0
ret: 0 st:-1 ts:-0.904994 flags:0
ret: 0 st: 1 dts:0.000000 pts:0.000000 pos:55860 size:65536 flags:1
ret: 0 st:-1 ts:1.989173 flags:1
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751660 size:54320 flags:1
ret: 0 st: 0 ts:0.880000 flags:0
ret: 0 st: 0 dts:0.880000 pts:-184467440737095520.000000 pos:706776 size:22456 flags:0
ret: 0 st: 0 ts:-0.220000 flags:1
ret: 0 st: 0 dts:0.000000 pts:-184467440737095520.000000 pos:752 size:55076 flags:1
ret: 0 st: 1 ts:2.680000 flags:0
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751660 size:54320 flags:1
ret: 0 st: 1 ts:1.560000 flags:1
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751660 size:54320 flags:1
ret: 0 st:-1 ts:0.460008 flags:0
ret: 0 st: 0 dts:0.480000 pts:-184467440737095520.000000 pos:371520 size:53804 flags:1
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751848 size:54320 flags:1
ret: 0 st: 2 ts:0.360000 flags:0
ret: 0 st: 0 dts:0.360000 pts:-184467440737095520.000000 pos:304084 size:23176 flags:0
ret: 0 st: 2 ts:-0.740000 flags:1
ret: 0 st: 0 dts:0.000000 pts:-184467440737095520.000000 pos:940 size:55076 flags:1
ret: 0 st:-1 ts:2.153336 flags:0
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751848 size:54320 flags:1
ret: 0 st:-1 ts:1.047503 flags:1
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751848 size:54320 flags:1
ret: 0 st: 0 ts:-0.060000 flags:0
ret: 0 st: 1 dts:0.000000 pts:0.000000 pos:56048 size:65536 flags:1
ret: 0 st: 0 ts:2.840000 flags:1
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751848 size:54320 flags:1
ret: 0 st: 1 ts:1.740000 flags:0
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751848 size:54320 flags:1
ret: 0 st: 1 ts:0.620000 flags:1
ret: 0 st: 0 dts:0.600000 pts:-184467440737095520.000000 pos:476360 size:23728 flags:0
ret: 0 st: 2 ts:-0.480000 flags:0
ret: 0 st: 1 dts:0.000000 pts:0.000000 pos:56048 size:65536 flags:1
ret: 0 st: 2 ts:2.420000 flags:1
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751848 size:54320 flags:1
ret: 0 st:-1 ts:1.306672 flags:0
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751848 size:54320 flags:1
ret: 0 st:-1 ts:0.200839 flags:1
ret: 0 st: 0 dts:0.200000 pts:-184467440737095520.000000 pos:211244 size:20944 flags:0
ret: 0 st: 0 ts:-0.900000 flags:0
ret: 0 st: 1 dts:0.000000 pts:0.000000 pos:56048 size:65536 flags:1
ret: 0 st: 0 ts:1.980000 flags:1
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751848 size:54320 flags:1
ret: 0 st: 1 ts:0.880000 flags:0
ret: 0 st: 0 dts:0.880000 pts:-184467440737095520.000000 pos:706964 size:22456 flags:0
ret: 0 st: 1 ts:-0.220000 flags:1
ret: 0 st: 0 dts:0.000000 pts:-184467440737095520.000000 pos:940 size:55076 flags:1
ret: 0 st: 2 ts:2.680000 flags:0
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751848 size:54320 flags:1
ret: 0 st: 2 ts:1.560000 flags:1
ret: 0 st: 0 dts:0.960000 pts:-184467440737095520.000000 pos:751848 size:54320 flags:1
ret: 0 st:-1 ts:0.460008 flags:0
ret: 0 st: 0 dts:0.480000 pts:-184467440737095520.000000 pos:371708 size:53804 flags:1
ret: 0 st:-1 ts:-0.645825 flags:1
ret: 0 st: 0 dts:0.000000 pts:-184467440737095520.000000 pos:752 size:55076 flags:1
ret: 0 st: 0 dts:0.000000 pts:-184467440737095520.000000 pos:940 size:55076 flags:1
----------------
tests/data/b-libav.mkv
ret: 0 st: 0 dts:0.000000 pts:0.000000 pos:505 size:28088 flags:1

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