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sub/lavc_conv: properly fill avctx with codecpar values at init

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This way we receive such minor details as the profile (necessary for
ARIB captions, among others) during init. This enables decoders
to switch between ARIB caption profile A and profile C streams.
This commit is contained in:
Jan Ekström 2023-02-20 23:11:47 +02:00
parent ef7b711bed
commit e20b645611
3 changed files with 9 additions and 10 deletions
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11
sub/lavc_conv.c
View File

@ -26,6 +26,7 @@
#include "mpv_talloc.h"
#include "common/msg.h"
#include "common/av_common.h"
#include "demux/stheader.h"
#include "misc/bstr.h"
#include "sd.h"
@ -65,13 +66,13 @@ static void disable_styles(bstr header)
}
}
struct lavc_conv *lavc_conv_create(struct mp_log *log, const char *codec_name,
char *extradata, int extradata_len)
struct lavc_conv *lavc_conv_create(struct mp_log *log,
const struct mp_codec_params *mp_codec)
{
struct lavc_conv *priv = talloc_zero(NULL, struct lavc_conv);
priv->log = log;
priv->cur_list = talloc_array(priv, char*, 0);
priv->codec = talloc_strdup(priv, codec_name);
priv->codec = talloc_strdup(priv, mp_codec->codec);
AVCodecContext *avctx = NULL;
AVDictionary *opts = NULL;
const char *fmt = get_lavc_format(priv->codec);
@ -81,7 +82,7 @@ struct lavc_conv *lavc_conv_create(struct mp_log *log, const char *codec_name,
avctx = avcodec_alloc_context3(codec);
if (!avctx)
goto error;
if (mp_lavc_set_extradata(avctx, extradata, extradata_len) < 0)
if (mp_set_avctx_codec_headers(avctx, mp_codec) < 0)
goto error;
priv->avpkt = av_packet_alloc();
@ -93,7 +94,7 @@ struct lavc_conv *lavc_conv_create(struct mp_log *log, const char *codec_name,
av_dict_set(&opts, "sub_text_format", "ass", 0);
#endif
av_dict_set(&opts, "flags2", "+ass_ro_flush_noop", 0);
if (strcmp(codec_name, "eia_608") == 0)
if (strcmp(priv->codec, "eia_608") == 0)
av_dict_set(&opts, "real_time", "1", 0);
if (avcodec_open2(avctx, codec, &opts) < 0)
goto error;

4
sub/sd.h
View File

@ -46,8 +46,8 @@ struct sd_functions {
// lavc_conv.c
struct lavc_conv;
struct lavc_conv *lavc_conv_create(struct mp_log *log, const char *codec_name,
char *extradata, int extradata_len);
struct lavc_conv *lavc_conv_create(struct mp_log *log,
const struct mp_codec_params *mp_codec);
char *lavc_conv_get_extradata(struct lavc_conv *priv);
char **lavc_conv_decode(struct lavc_conv *priv, struct demux_packet *packet,
double *sub_pts, double *sub_duration);

4
sub/sd_ass.c
View File

@ -261,9 +261,7 @@ static int init(struct sd *sd)
strcmp(sd->codec->codec, "null") != 0)
{
ctx->is_converted = true;
ctx->converter = lavc_conv_create(sd->log, sd->codec->codec,
sd->codec->extradata,
sd->codec->extradata_size);
ctx->converter = lavc_conv_create(sd->log, sd->codec);
if (!ctx->converter)
return -1;