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fftools/ffmpeg, ffmpeg_opt: Allocate (In|Out)putStream.pkt early

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Avoids checks lateron in the hot path.

Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2021-10-08 11:24:09 +02:00
parent f1df856fb6
commit 21914e7a4e
2 changed files with 9 additions and 15 deletions
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16
fftools/ffmpeg.c
View File

@ -1533,9 +1533,6 @@ static int reap_filters(int flush)
if (av_buffersink_get_type(filter) == AVMEDIA_TYPE_AUDIO)
init_output_stream_wrapper(ost, NULL, 1);
if (!ost->pkt && !(ost->pkt = av_packet_alloc())) {
return AVERROR(ENOMEM);
}
if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
return AVERROR(ENOMEM);
}
@ -1979,9 +1976,6 @@ static void flush_encoders(void)
AVPacket *pkt = ost->pkt;
int pkt_size;
if (!pkt)
break;
switch (enc->codec_type) {
case AVMEDIA_TYPE_AUDIO:
desc = "audio";
@ -2597,8 +2591,6 @@ static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output,
for (i = 0; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
if (!ost->pkt && !(ost->pkt = av_packet_alloc()))
exit_program(1);
if (!check_output_constraints(ist, ost) || !ost->encoding_needed
|| ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
continue;
@ -2634,11 +2626,7 @@ static int process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eo
int repeating = 0;
int eof_reached = 0;
AVPacket *avpkt;
if (!ist->pkt && !(ist->pkt = av_packet_alloc()))
return AVERROR(ENOMEM);
avpkt = ist->pkt;
AVPacket *avpkt = ist->pkt;
if (!ist->saw_first_ts) {
ist->first_dts =
@ -2809,8 +2797,6 @@ static int process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eo
for (i = 0; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
if (!ost->pkt && !(ost->pkt = av_packet_alloc()))
exit_program(1);
if (!check_output_constraints(ist, ost) || ost->encoding_needed)
continue;

8
fftools/ffmpeg_opt.c
View File

@ -888,6 +888,10 @@ static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
exit_program(1);
}
ist->pkt = av_packet_alloc();
if (!ist->pkt)
exit_program(1);
if (o->bitexact)
ist->dec_ctx->flags |= AV_CODEC_FLAG_BITEXACT;
@ -1516,6 +1520,10 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
exit_program(1);
}
ost->pkt = av_packet_alloc();
if (!ost->pkt)
exit_program(1);
if (ost->enc) {
AVIOContext *s = NULL;
char *buf = NULL, *arg = NULL, *preset = NULL;