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lavc: add AV_CODEC_PROP_TEXT_SUB.

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This commit is contained in:
Clément Bœsch 2013-04-16 15:00:13 +02:00
parent 6189ff3679
commit 380cfce2b2
5 changed files with 27 additions and 2 deletions
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3
doc/APIchanges
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@ -15,6 +15,9 @@ libavutil: 2012-10-22
API changes, most recent first:
2013-04-19 - xxxxxxx - lavc 55.4.100
Add AV_CODEC_PROP_TEXT_SUB property for text based subtitles codec.
2013-04-18 - xxxxxxx - lavf 55.3.100
The matroska demuxer can now output proper verbatim ASS packets. It will
become the default starting lavf 56.0.100.

6
libavcodec/avcodec.h
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@ -541,8 +541,14 @@ typedef struct AVCodecDescriptor {
#define AV_CODEC_PROP_LOSSLESS (1 << 2)
/**
* Subtitle codec is bitmap based
* Decoded AVSubtitle data can be read from the AVSubtitleRect->pict field.
*/
#define AV_CODEC_PROP_BITMAP_SUB (1 << 16)
/**
* Subtitle codec is text based.
* Decoded AVSubtitle data can be read from the AVSubtitleRect->ass field.
*/
#define AV_CODEC_PROP_TEXT_SUB (1 << 17)
/**
* @ingroup lavc_decoding

16
libavcodec/codec_desc.c
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@ -2394,6 +2394,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
.type = AVMEDIA_TYPE_SUBTITLE,
.name = "text",
.long_name = NULL_IF_CONFIG_SMALL("raw UTF-8 text"),
.props = AV_CODEC_PROP_TEXT_SUB,
},
{
.id = AV_CODEC_ID_XSUB,
@ -2407,18 +2408,21 @@ static const AVCodecDescriptor codec_descriptors[] = {
.type = AVMEDIA_TYPE_SUBTITLE,
.name = "ass",
.long_name = NULL_IF_CONFIG_SMALL("ASS (Advanced SSA) subtitle"),
.props = AV_CODEC_PROP_TEXT_SUB,
},
{
.id = AV_CODEC_ID_SSA,
.type = AVMEDIA_TYPE_SUBTITLE,
.name = "ssa",
.long_name = NULL_IF_CONFIG_SMALL("SSA (SubStation Alpha) subtitle"),
.props = AV_CODEC_PROP_TEXT_SUB,
},
{
.id = AV_CODEC_ID_MOV_TEXT,
.type = AVMEDIA_TYPE_SUBTITLE,
.name = "mov_text",
.long_name = NULL_IF_CONFIG_SMALL("MOV text"),
.props = AV_CODEC_PROP_TEXT_SUB,
},
{
.id = AV_CODEC_ID_HDMV_PGS_SUBTITLE,
@ -2438,24 +2442,28 @@ static const AVCodecDescriptor codec_descriptors[] = {
.type = AVMEDIA_TYPE_SUBTITLE,
.name = "srt",
.long_name = NULL_IF_CONFIG_SMALL("SubRip subtitle with embedded timing"),
.props = AV_CODEC_PROP_TEXT_SUB,
},
{
.id = AV_CODEC_ID_SUBRIP,
.type = AVMEDIA_TYPE_SUBTITLE,
.name = "subrip",
.long_name = NULL_IF_CONFIG_SMALL("SubRip subtitle"),
.props = AV_CODEC_PROP_TEXT_SUB,
},
{
.id = AV_CODEC_ID_MICRODVD,
.type = AVMEDIA_TYPE_SUBTITLE,
.name = "microdvd",
.long_name = NULL_IF_CONFIG_SMALL("MicroDVD subtitle"),
.props = AV_CODEC_PROP_TEXT_SUB,
},
{
.id = AV_CODEC_ID_MPL2,
.type = AVMEDIA_TYPE_SUBTITLE,
.name = "mpl2",
.long_name = NULL_IF_CONFIG_SMALL("MPL2 subtitle"),
.props = AV_CODEC_PROP_TEXT_SUB,
},
{
.id = AV_CODEC_ID_EIA_608,
@ -2468,48 +2476,56 @@ static const AVCodecDescriptor codec_descriptors[] = {
.type = AVMEDIA_TYPE_SUBTITLE,
.name = "jacosub",
.long_name = NULL_IF_CONFIG_SMALL("JACOsub subtitle"),
.props = AV_CODEC_PROP_TEXT_SUB,
},
{
.id = AV_CODEC_ID_PJS,
.type = AVMEDIA_TYPE_SUBTITLE,
.name = "pjs",
.long_name = NULL_IF_CONFIG_SMALL("PJS (Phoenix Japanimation Society) subtitle"),
.props = AV_CODEC_PROP_TEXT_SUB,
},
{
.id = AV_CODEC_ID_SAMI,
.type = AVMEDIA_TYPE_SUBTITLE,
.name = "sami",
.long_name = NULL_IF_CONFIG_SMALL("SAMI subtitle"),
.props = AV_CODEC_PROP_TEXT_SUB,
},
{
.id = AV_CODEC_ID_REALTEXT,
.type = AVMEDIA_TYPE_SUBTITLE,
.name = "realtext",
.long_name = NULL_IF_CONFIG_SMALL("RealText subtitle"),
.props = AV_CODEC_PROP_TEXT_SUB,
},
{
.id = AV_CODEC_ID_SUBVIEWER1,
.type = AVMEDIA_TYPE_SUBTITLE,
.name = "subviewer1",
.long_name = NULL_IF_CONFIG_SMALL("SubViewer v1 subtitle"),
.props = AV_CODEC_PROP_TEXT_SUB,
},
{
.id = AV_CODEC_ID_SUBVIEWER,
.type = AVMEDIA_TYPE_SUBTITLE,
.name = "subviewer",
.long_name = NULL_IF_CONFIG_SMALL("SubViewer subtitle"),
.props = AV_CODEC_PROP_TEXT_SUB,
},
{
.id = AV_CODEC_ID_VPLAYER,
.type = AVMEDIA_TYPE_SUBTITLE,
.name = "vplayer",
.long_name = NULL_IF_CONFIG_SMALL("VPlayer subtitle"),
.props = AV_CODEC_PROP_TEXT_SUB,
},
{
.id = AV_CODEC_ID_WEBVTT,
.type = AVMEDIA_TYPE_SUBTITLE,
.name = "webvtt",
.long_name = NULL_IF_CONFIG_SMALL("WebVTT subtitle"),
.props = AV_CODEC_PROP_TEXT_SUB,
},
{
.id = AV_CODEC_ID_BINTEXT,

2
libavcodec/version.h
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@ -29,7 +29,7 @@
#include "libavutil/avutil.h"
#define LIBAVCODEC_VERSION_MAJOR 55
#define LIBAVCODEC_VERSION_MINOR 3
#define LIBAVCODEC_VERSION_MINOR 4
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \

2
libavfilter/vf_subtitles.c
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@ -302,7 +302,7 @@ static av_cold int init_subtitles(AVFilterContext *ctx)
return AVERROR(EINVAL);
}
dec_desc = avcodec_descriptor_get(dec_ctx->codec_id);
if (dec_desc && (dec_desc->props & AV_CODEC_PROP_BITMAP_SUB)) {
if (dec_desc && !(dec_desc->props & AV_CODEC_PROP_TEXT_SUB)) {
av_log(ctx, AV_LOG_ERROR,
"Only text based subtitles are currently supported\n");
return AVERROR_PATCHWELCOME;