fftools/ffmpeg: use a bsf list instead of individual bsfs

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint
2020-04-17 23:55:55 +02:00
parent 425e08d571
commit f821ae8591
3 changed files with 28 additions and 105 deletions

View File

@@ -558,9 +558,7 @@ static void ffmpeg_cleanup(int ret)
if (!ost)
continue;
for (j = 0; j < ost->nb_bitstream_filters; j++)
av_bsf_free(&ost->bsf_ctx[j]);
av_freep(&ost->bsf_ctx);
av_bsf_free(&ost->bsf_ctx);
av_frame_free(&ost->filtered_frame);
av_frame_free(&ost->last_frame);
@@ -859,40 +857,15 @@ static void output_packet(OutputFile *of, AVPacket *pkt,
{
int ret = 0;
/* apply the output bitstream filters, if any */
if (ost->nb_bitstream_filters) {
int idx;
ret = av_bsf_send_packet(ost->bsf_ctx[0], eof ? NULL : pkt);
/* apply the output bitstream filters */
if (ost->bsf_ctx) {
ret = av_bsf_send_packet(ost->bsf_ctx, eof ? NULL : pkt);
if (ret < 0)
goto finish;
eof = 0;
idx = 1;
while (idx) {
/* get a packet from the previous filter up the chain */
ret = av_bsf_receive_packet(ost->bsf_ctx[idx - 1], pkt);
if (ret == AVERROR(EAGAIN)) {
ret = 0;
idx--;
continue;
} else if (ret == AVERROR_EOF) {
eof = 1;
} else if (ret < 0)
goto finish;
/* send it to the next filter down the chain or to the muxer */
if (idx < ost->nb_bitstream_filters) {
ret = av_bsf_send_packet(ost->bsf_ctx[idx], eof ? NULL : pkt);
if (ret < 0)
goto finish;
idx++;
eof = 0;
} else if (eof)
goto finish;
else
write_packet(of, pkt, ost, 0);
}
while ((ret = av_bsf_receive_packet(ost->bsf_ctx, pkt)) >= 0)
write_packet(of, pkt, ost, 0);
if (ret == AVERROR(EAGAIN))
ret = 0;
} else if (!eof)
write_packet(of, pkt, ost, 0);
@@ -3015,35 +2988,28 @@ static int check_init_output_file(OutputFile *of, int file_index)
static int init_output_bsfs(OutputStream *ost)
{
AVBSFContext *ctx;
int i, ret;
AVBSFContext *ctx = ost->bsf_ctx;
int ret;
if (!ost->nb_bitstream_filters)
if (!ctx)
return 0;
for (i = 0; i < ost->nb_bitstream_filters; i++) {
ctx = ost->bsf_ctx[i];
ret = avcodec_parameters_copy(ctx->par_in,
i ? ost->bsf_ctx[i - 1]->par_out : ost->st->codecpar);
if (ret < 0)
return ret;
ctx->time_base_in = i ? ost->bsf_ctx[i - 1]->time_base_out : ost->st->time_base;
ret = av_bsf_init(ctx);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error initializing bitstream filter: %s\n",
ost->bsf_ctx[i]->filter->name);
return ret;
}
}
ctx = ost->bsf_ctx[ost->nb_bitstream_filters - 1];
ret = avcodec_parameters_copy(ost->st->codecpar, ctx->par_out);
ret = avcodec_parameters_copy(ctx->par_in, ost->st->codecpar);
if (ret < 0)
return ret;
ctx->time_base_in = ost->st->time_base;
ret = av_bsf_init(ctx);
if (ret < 0) {
av_log(NULL, AV_LOG_ERROR, "Error initializing bitstream filter: %s\n",
ctx->filter->name);
return ret;
}
ret = avcodec_parameters_copy(ost->st->codecpar, ctx->par_out);
if (ret < 0)
return ret;
ost->st->time_base = ctx->time_base_out;
return 0;