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Merge remote-tracking branch 'qatar/master'

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* qatar/master:
  aac_latm: reconfigure decoder on audio specific config changes
  latmdec: fix audio specific config parsing
  Add avcodec_decode_audio4().
  avcodec: change number of plane pointers from 4 to 8 at next major bump.
  Update developers documentation with coding conventions.
  svq1dec: avoid undefined get_bits(0) call
  ARM: h264dsp_neon cosmetics
  ARM: make some NEON macros reusable
  Do not memcpy raw video frames when using null muxer
  fate: update asf seektest
  vp8: flush buffers on size changes.
  doc: improve general documentation for MacOSX
  asf: use packet dts as approximation of pts
  asf: do not call av_read_frame
  rtsp: Initialize the media_type_mask in the rtp guessing demuxer
  Cleaned up alacenc.c

Conflicts:
	doc/APIchanges
	doc/developer.texi
	libavcodec/8svx.c
	libavcodec/aacdec.c
	libavcodec/ac3dec.c
	libavcodec/avcodec.h
	libavcodec/nellymoserdec.c
	libavcodec/tta.c
	libavcodec/utils.c
	libavcodec/version.h
	libavcodec/wmadec.c
	libavformat/asfdec.c
	tests/ref/seek/lavf_asf

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2011-12-03 02:08:55 +01:00
parent 12804348f5 d268b79e34
commit e4de71677f
87 changed files with 2226 additions and 1307 deletions
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29
libavcodec/mpc7.c
View File

@@ -136,6 +136,10 @@ static av_cold int mpc7_decode_init(AVCodecContext * avctx)
}
}
vlc_initialized = 1;
avcodec_get_frame_defaults(&c->frame);
avctx->coded_frame = &c->frame;
return 0;
}
@@ -192,9 +196,8 @@ static int get_scale_idx(GetBitContext *gb, int ref)
return ref + t;
}
static int mpc7_decode_frame(AVCodecContext * avctx,
void *data, int *data_size,
AVPacket *avpkt)
static int mpc7_decode_frame(AVCodecContext * avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
@@ -204,7 +207,7 @@ static int mpc7_decode_frame(AVCodecContext * avctx,
int i, ch;
int mb = -1;
Band *bands = c->bands;
int off, out_size;
int off, ret;
int bits_used, bits_avail;
memset(bands, 0, sizeof(*bands) * (c->maxbands + 1));
@@ -213,10 +216,11 @@ static int mpc7_decode_frame(AVCodecContext * avctx,
return AVERROR(EINVAL);
}
out_size = (buf[1] ? c->lastframelen : MPC_FRAME_SIZE) * 4;
if (*data_size < out_size) {
av_log(avctx, AV_LOG_ERROR, "Output buffer is too small\n");
return AVERROR(EINVAL);
/* get output buffer */
c->frame.nb_samples = buf[1] ? c->lastframelen : MPC_FRAME_SIZE;
if ((ret = avctx->get_buffer(avctx, &c->frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
bits = av_malloc(((buf_size - 1) & ~3) + FF_INPUT_BUFFER_PADDING_SIZE);
@@ -276,7 +280,7 @@ static int mpc7_decode_frame(AVCodecContext * avctx,
for(ch = 0; ch < 2; ch++)
idx_to_quant(c, &gb, bands[i].res[ch], c->Q[ch] + off);
ff_mpc_dequantize_and_synth(c, mb, data, 2);
ff_mpc_dequantize_and_synth(c, mb, c->frame.data[0], 2);
av_free(bits);
@@ -288,10 +292,12 @@ static int mpc7_decode_frame(AVCodecContext * avctx,
}
if(c->frames_to_skip){
c->frames_to_skip--;
*data_size = 0;
*got_frame_ptr = 0;
return buf_size;
}
*data_size = out_size;
*got_frame_ptr = 1;
*(AVFrame *)data = c->frame;
return buf_size;
}
@@ -312,5 +318,6 @@ AVCodec ff_mpc7_decoder = {
.init = mpc7_decode_init,
.decode = mpc7_decode_frame,
.flush = mpc7_decode_flush,
.capabilities = CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("Musepack SV7"),
};