[FFmpeg-devel] [PATCH 15/16] vmdaudio: remove unnecessary fields from VmdAudioContext and use the corresponding AVCodecContext fields instead.

Ronald S. Bultje rsbultje
Thu Feb 24 03:52:24 CET 2011


Hi,

On Wed, Feb 23, 2011 at 2:02 PM, Kostya <kostya.shishkov at gmail.com> wrote:
> On Wed, Feb 23, 2011 at 01:11:12PM -0500, Justin Ruggles wrote:
>> ---
>> ?libavcodec/vmdav.c | ? 20 ++++++++------------
>> ?1 files changed, 8 insertions(+), 12 deletions(-)
>>
>
>> diff --git a/libavcodec/vmdav.c b/libavcodec/vmdav.c
>> index bd71ae4..88f674a 100644
>> --- a/libavcodec/vmdav.c
>> +++ b/libavcodec/vmdav.c
>> @@ -421,9 +421,6 @@ static av_cold int vmdvideo_decode_end(AVCodecContext *avctx)
>> ?typedef struct VmdAudioContext {
>> ? ? ?AVCodecContext *avctx;
>> ? ? ?int out_bps;
>> - ? ?int channels;
>> - ? ?int bits;
>> - ? ?int block_align;
>> ? ? ?int predictors[2];
>> ?} VmdAudioContext;
>>
>> @@ -448,14 +445,13 @@ static av_cold int vmdaudio_decode_init(AVCodecContext *avctx)
>> ? ? ?VmdAudioContext *s = avctx->priv_data;
>>
>> ? ? ?s->avctx = avctx;
>> - ? ?s->channels = avctx->channels;
>> - ? ?s->bits = avctx->bits_per_coded_sample;
>> - ? ?s->block_align = avctx->block_align;
>> ? ? ?avctx->sample_fmt = AV_SAMPLE_FMT_S16;
>> ? ? ?s->out_bps = av_get_bits_per_sample_fmt(avctx->sample_fmt) >> 3;
>>
>> - ? ?av_log(s->avctx, AV_LOG_DEBUG, "%d channels, %d bits/sample, block align = %d, sample rate = %d\n",
>> - ? ? ? ? ? ?s->channels, s->bits, s->block_align, avctx->sample_rate);
>> + ? ?av_log(avctx, AV_LOG_DEBUG, "%d channels, %d bits/sample, "
>> + ? ? ? ? ? "block align = %d, sample rate = %d\n",
>> + ? ? ? ? ? avctx->channels, avctx->bits_per_coded_sample, avctx->block_align,
>> + ? ? ? ? ? avctx->sample_rate);
>>
>> ? ? ?return 0;
>> ?}
>> @@ -482,14 +478,14 @@ static int vmdaudio_loadsound(VmdAudioContext *s, unsigned char *data,
>> ? ? ?const uint8_t *buf, int silent_chunks, int data_size)
>> ?{
>> ? ? ?int i;
>> - ? ?int silent_size = s->block_align * silent_chunks * s->out_bps;
>> + ? ?int silent_size = s->avctx->block_align * silent_chunks * s->out_bps;
>>
>> ? ? ?if (silent_chunks) {
>> ? ? ? ? ?memset(data, 0, silent_size);
>> ? ? ? ? ?data += silent_size;
>> ? ? ?}
>> - ? ?if (s->bits == 16)
>> - ? ? ? ?vmdaudio_decode_audio(s, data, buf, data_size, s->channels == 2);
>> + ? ?if (s->avctx->bits_per_coded_sample == 16)
>> + ? ? ? ?vmdaudio_decode_audio(s, data, buf, data_size, s->avctx->channels == 2);
>> ? ? ?else {
>> ? ? ? ? ?/* copy the data but convert it to signed */
>> ? ? ? ? ?for (i = 0; i < data_size; i++){
>> @@ -537,7 +533,7 @@ static int vmdaudio_decode_frame(AVCodecContext *avctx,
>> ? ? ?}
>>
>> ? ? ?/* ensure output buffer is large enough */
>> - ? ?if (*data_size < (s->block_align*silent_chunks + buf_size) * s->out_bps)
>> + ? ?if (*data_size < (avctx->block_align*silent_chunks + buf_size) * s->out_bps)
>> ? ? ? ? ?return -1;
>>
>> ? ? ?*data_size = vmdaudio_loadsound(s, output_samples, buf, silent_chunks, buf_size);
>
> looks ok

Queued.

Ronald



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