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fftools/ffmpeg_dec: move scheduler registration from dec_open() to dec_alloc() 

Will be useful in following commits where we will want to create a
decoder before having enough information to open it.
This commit is contained in:
Anton Khirnov 2024-02-19 11:52:02 +01:00
parent 6f2acd7a9c
commit 48c39a9c71
1 changed files with 27 additions and 24 deletions
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51
fftools/ffmpeg_dec.c
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@ -110,9 +110,26 @@ void dec_free(Decoder **pdec)
av_freep(pdec);
}
static int dec_alloc(DecoderPriv **pdec)
static const char *dec_item_name(void *obj)
{
const DecoderPriv *dp = obj;
return dp->log_name;
}
static const AVClass dec_class = {
.class_name = "Decoder",
.version = LIBAVUTIL_VERSION_INT,
.parent_log_context_offset = offsetof(DecoderPriv, log_parent),
.item_name = dec_item_name,
};
static void *decoder_thread(void *arg);
static int dec_alloc(DecoderPriv **pdec, Scheduler *sch, int send_end_ts)
{
DecoderPriv *dp;
int ret = 0;
*pdec = NULL;
@ -128,17 +145,24 @@ static int dec_alloc(DecoderPriv **pdec)
if (!dp->pkt)
goto fail;
dp->dec.class = &dec_class;
dp->last_filter_in_rescale_delta = AV_NOPTS_VALUE;
dp->last_frame_pts = AV_NOPTS_VALUE;
dp->last_frame_tb = (AVRational){ 1, 1 };
dp->hwaccel_pix_fmt = AV_PIX_FMT_NONE;
ret = sch_add_dec(sch, decoder_thread, dp, send_end_ts);
if (ret < 0)
goto fail;
dp->sch = sch;
dp->sch_idx = ret;
*pdec = dp;
return 0;
fail:
dec_free((Decoder**)&dp);
return AVERROR(ENOMEM);
return ret >= 0 ? AVERROR(ENOMEM) : ret;
}
static AVRational audio_samplerate_update(DecoderPriv *dp,
@ -1042,20 +1066,6 @@ static int hw_device_setup_for_decode(DecoderPriv *dp,
return 0;
}
static const char *dec_item_name(void *obj)
{
const DecoderPriv *dp = obj;
return dp->log_name;
}
static const AVClass dec_class = {
.class_name = "Decoder",
.version = LIBAVUTIL_VERSION_INT,
.parent_log_context_offset = offsetof(DecoderPriv, log_parent),
.item_name = dec_item_name,
};
int dec_open(Decoder **pdec, Scheduler *sch,
AVDictionary **dec_opts, const DecoderOpts *o)
{
@ -1065,18 +1075,11 @@ int dec_open(Decoder **pdec, Scheduler *sch,
*pdec = NULL;
ret = dec_alloc(&dp);
ret = dec_alloc(&dp, sch, !!(o->flags & DECODER_FLAG_SEND_END_TS));
if (ret < 0)
return ret;
ret = sch_add_dec(sch, decoder_thread, dp, o->flags & DECODER_FLAG_SEND_END_TS);
if (ret < 0)
return ret;
dp->sch = sch;
dp->sch_idx = ret;
dp->flags = o->flags;
dp->dec.class = &dec_class;
dp->log_parent = o->log_parent;
dp->framerate_in = o->framerate;