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Code Issues Releases Activity

libmp3lame: remove unneeded 'stereo' field from Mp3AudioContext

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This commit is contained in:
Justin Ruggles
2012-02-16 22:04:08 -05:00
parent a4f97be1a9
commit 310c372e12
1 changed files with 2 additions and 5 deletions
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7
libavcodec/libmp3lame.c
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@@ -35,7 +35,6 @@
typedef struct Mp3AudioContext { typedef struct Mp3AudioContext {
AVClass *class; AVClass *class;
lame_global_flags *gfp; lame_global_flags *gfp;
int stereo;
uint8_t buffer[BUFFER_SIZE]; uint8_t buffer[BUFFER_SIZE];
int buffer_index; int buffer_index;
int reservoir; int reservoir;
@@ -48,8 +47,6 @@ static av_cold int MP3lame_encode_init(AVCodecContext *avctx)
if (avctx->channels > 2) if (avctx->channels > 2)
return -1; return -1;
s->stereo = avctx->channels > 1 ? 1 : 0;
if ((s->gfp = lame_init()) == NULL) if ((s->gfp = lame_init()) == NULL)
goto err; goto err;
lame_set_in_samplerate(s->gfp, avctx->sample_rate); lame_set_in_samplerate(s->gfp, avctx->sample_rate);
@@ -60,7 +57,7 @@ static av_cold int MP3lame_encode_init(AVCodecContext *avctx)
} else { } else {
lame_set_quality(s->gfp, avctx->compression_level); lame_set_quality(s->gfp, avctx->compression_level);
} }
lame_set_mode(s->gfp, s->stereo ? JOINT_STEREO : MONO); lame_set_mode(s->gfp, avctx->channels > 1 ? JOINT_STEREO : MONO);
lame_set_brate(s->gfp, avctx->bit_rate / 1000); lame_set_brate(s->gfp, avctx->bit_rate / 1000);
if (avctx->flags & CODEC_FLAG_QSCALE) { if (avctx->flags & CODEC_FLAG_QSCALE) {
lame_set_brate(s->gfp, 0); lame_set_brate(s->gfp, 0);
@@ -153,7 +150,7 @@ static int MP3lame_encode_frame(AVCodecContext *avctx, unsigned char *frame,
/* lame 3.91 dies on '1-channel interleaved' data */ /* lame 3.91 dies on '1-channel interleaved' data */
if (data) { if (data) {
if (s->stereo) { if (avctx->channels > 1) {
lame_result = lame_encode_buffer_interleaved(s->gfp, data, lame_result = lame_encode_buffer_interleaved(s->gfp, data,
avctx->frame_size, avctx->frame_size,
s->buffer + s->buffer_index, s->buffer + s->buffer_index,