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author | Michael Niedermayer <michaelni@gmx.at> | 2011-12-03 02:08:55 +0100 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2011-12-03 03:00:30 +0100 |
commit | e4de71677f3adeac0f74b89ac8df5d417364df2c (patch) | |
tree | 4792dd8d85d24f0f4eaddabb65f6044727907daa /libavcodec/nellymoserdec.c | |
parent | 12804348f5babf56a315fa01751eea1ffdddf98a (diff) | |
parent | d268b79e3436107c11ee8bcdf9f3645368bb3fcd (diff) | |
download | ffmpeg-e4de71677f3adeac0f74b89ac8df5d417364df2c.tar.gz |
Merge remote-tracking branch 'qatar/master'
* 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>
Diffstat (limited to 'libavcodec/nellymoserdec.c')
-rw-r--r-- | libavcodec/nellymoserdec.c | 40 |
1 files changed, 26 insertions, 14 deletions
diff --git a/libavcodec/nellymoserdec.c b/libavcodec/nellymoserdec.c index cf73121ef8..3386b8241e 100644 --- a/libavcodec/nellymoserdec.c +++ b/libavcodec/nellymoserdec.c @@ -47,6 +47,7 @@ typedef struct NellyMoserDecodeContext { AVCodecContext* avctx; + AVFrame frame; float *float_buf; DECLARE_ALIGNED(16, float, state)[NELLY_BUF_LEN]; AVLFG random_state; @@ -142,33 +143,31 @@ static av_cold int decode_init(AVCodecContext * avctx) { ff_init_ff_sine_windows(7); avctx->channel_layout = AV_CH_LAYOUT_MONO; + + avcodec_get_frame_defaults(&s->frame); + avctx->coded_frame = &s->frame; + return 0; } -static int decode_tag(AVCodecContext * avctx, - void *data, int *data_size, - AVPacket *avpkt) { +static int decode_tag(AVCodecContext *avctx, void *data, + int *got_frame_ptr, AVPacket *avpkt) +{ const uint8_t *buf = avpkt->data; const uint8_t *side=av_packet_get_side_data(avpkt, 'F', NULL); int buf_size = avpkt->size; NellyMoserDecodeContext *s = avctx->priv_data; - int data_max = *data_size; - int blocks, i, block_size; - int16_t *samples_s16 = data; - float *samples_flt = data; - *data_size = 0; + int blocks, i, ret; + int16_t *samples_s16; + float *samples_flt; - block_size = NELLY_SAMPLES * av_get_bytes_per_sample(avctx->sample_fmt); blocks = buf_size / NELLY_BLOCK_LEN; if (blocks <= 0) { av_log(avctx, AV_LOG_ERROR, "Packet is too small\n"); return AVERROR_INVALIDDATA; } - if (data_max < blocks * block_size) { - av_log(avctx, AV_LOG_ERROR, "Output buffer is too small\n"); - return AVERROR(EINVAL); - } + if (buf_size % NELLY_BLOCK_LEN) { av_log(avctx, AV_LOG_WARNING, "Leftover bytes: %d.\n", buf_size % NELLY_BLOCK_LEN); @@ -183,6 +182,15 @@ static int decode_tag(AVCodecContext * avctx, if(side && blocks>1 && avctx->sample_rate%11025==0 && (1<<((side[0]>>2)&3)) == blocks) avctx->sample_rate= 11025*(blocks/2); + /* get output buffer */ + s->frame.nb_samples = NELLY_SAMPLES * blocks; + if ((ret = avctx->get_buffer(avctx, &s->frame)) < 0) { + av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); + return ret; + } + samples_s16 = (int16_t *)s->frame.data[0]; + samples_flt = (float *)s->frame.data[0]; + for (i=0 ; i<blocks ; i++) { if (avctx->sample_fmt == SAMPLE_FMT_FLT) { nelly_decode_block(s, buf, samples_flt); @@ -194,7 +202,9 @@ static int decode_tag(AVCodecContext * avctx, } buf += NELLY_BLOCK_LEN; } - *data_size = blocks * block_size; + + *got_frame_ptr = 1; + *(AVFrame *)data = s->frame; return buf_size; } @@ -204,6 +214,7 @@ static av_cold int decode_end(AVCodecContext * avctx) { av_freep(&s->float_buf); ff_mdct_end(&s->imdct_ctx); + return 0; } @@ -215,6 +226,7 @@ AVCodec ff_nellymoser_decoder = { .init = decode_init, .close = decode_end, .decode = decode_tag, + .capabilities = CODEC_CAP_DR1, .long_name = NULL_IF_CONFIG_SMALL("Nellymoser Asao"), .sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16, |