Module: ffmpeg Branch: master Commit: dd1af5136fe7767f2f18ac943efe994946864640
Author: Justin Ruggles <[email protected]> Committer: Ronald S. Bultje <[email protected]> Date: Wed Feb 23 13:11:04 2011 -0500 vmdaudio: use macros and a local variable for block type. Signed-off-by: Ronald S. Bultje <[email protected]> --- libavcodec/vmdav.c | 13 ++++++++++--- 1 files changed, 10 insertions(+), 3 deletions(-) diff --git a/libavcodec/vmdav.c b/libavcodec/vmdav.c index 53d40a9..a528d91 100644 --- a/libavcodec/vmdav.c +++ b/libavcodec/vmdav.c @@ -414,6 +414,10 @@ static av_cold int vmdvideo_decode_end(AVCodecContext *avctx) * Audio Decoder */ +#define BLOCK_TYPE_AUDIO 1 +#define BLOCK_TYPE_INITIAL 2 +#define BLOCK_TYPE_SILENCE 3 + typedef struct VmdAudioContext { AVCodecContext *avctx; int channels; @@ -504,6 +508,7 @@ static int vmdaudio_decode_frame(AVCodecContext *avctx, const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; VmdAudioContext *s = avctx->priv_data; + int block_type; unsigned char *output_samples = (unsigned char *)data; /* point to the start of the encoded data */ @@ -512,10 +517,12 @@ static int vmdaudio_decode_frame(AVCodecContext *avctx, if (buf_size < 16) return buf_size; - if (buf[6] == 1) { + block_type = buf[6]; + + if (block_type == BLOCK_TYPE_AUDIO) { /* the chunk contains audio */ *data_size = vmdaudio_loadsound(s, output_samples, p, 0, buf_size - 16); - } else if (buf[6] == 2) { + } else if (block_type == BLOCK_TYPE_INITIAL) { /* initial chunk, may contain audio and silence */ uint32_t flags = AV_RB32(p); int raw_block_size = s->block_align * @@ -528,7 +535,7 @@ static int vmdaudio_decode_frame(AVCodecContext *avctx, output_samples += raw_block_size * silent_chunks; *data_size = raw_block_size * silent_chunks; *data_size += vmdaudio_loadsound(s, output_samples, p + 4, 0, buf_size - 20); - } else if (buf[6] == 3) { + } else if (block_type == BLOCK_TYPE_SILENCE) { /* silent chunk */ *data_size = vmdaudio_loadsound(s, output_samples, p, 1, s->block_align); } _______________________________________________ ffmpeg-commits mailing list [email protected] https://lists.mplayerhq.hu/mailman/listinfo/ffmpeg-commits
