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avconv: only apply presets when we have an encoder. 

Fixes a crash when using a preset with stream copy.

CC: libav-stable@libav.org
This commit is contained in:
Anton Khirnov 2012-10-22 22:40:22 +02:00
parent a1f4cd371a
commit 4e61a38aa0
1 changed files with 28 additions and 27 deletions
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13
avconv_opt.c
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@ -754,8 +754,6 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
char *bsf = NULL, *next, *codec_tag = NULL;
AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
double qscale = -1;
char *buf = NULL, *arg = NULL, *preset = NULL;
AVIOContext *s = NULL;
if (!st) {
av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
@ -777,11 +775,10 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
st->codec->codec_type = type;
choose_encoder(o, oc, ost);
if (ost->enc) {
ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st, ost->enc);
}
AVIOContext *s = NULL;
char *buf = NULL, *arg = NULL, *preset = NULL;
avcodec_get_context_defaults3(st->codec, ost->enc);
st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st, ost->enc);
MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
@ -807,6 +804,10 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
preset, ost->file_index, ost->index);
exit(1);
}
}
avcodec_get_context_defaults3(st->codec, ost->enc);
st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
ost->max_frames = INT64_MAX;
MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);