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avformat/flvenc: use local variable to shorten code

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Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
This commit is contained in:
Zhao Zhili 2023-04-07 03:31:40 +08:00
parent f0f596dbc6
commit d5fdfbac4a
1 changed files with 4 additions and 4 deletions
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8
libavformat/flvenc.c
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@ -508,18 +508,18 @@ static void flv_write_codec_header(AVFormatContext* s, AVCodecParameters* par, i
if (!par->extradata_size && (flv->flags & FLV_AAC_SEQ_HEADER_DETECT)) {
PutBitContext pbc;
int samplerate_index;
int channels = flv->audio_par->ch_layout.nb_channels
- (flv->audio_par->ch_layout.nb_channels == 8 ? 1 : 0);
int channels = par->ch_layout.nb_channels
- (par->ch_layout.nb_channels == 8 ? 1 : 0);
uint8_t data[2];
for (samplerate_index = 0; samplerate_index < 16;
samplerate_index++)
if (flv->audio_par->sample_rate
if (par->sample_rate
== ff_mpeg4audio_sample_rates[samplerate_index])
break;
init_put_bits(&pbc, data, sizeof(data));
put_bits(&pbc, 5, flv->audio_par->profile + 1); //profile
put_bits(&pbc, 5, par->profile + 1); //profile
put_bits(&pbc, 4, samplerate_index); //sample rate index
put_bits(&pbc, 4, channels);
put_bits(&pbc, 1, 0); //frame length - 1024 samples