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matroskaenc: support muxing WavPack

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This commit is contained in:
Anton Khirnov 2013-05-28 10:09:21 +02:00
parent 794ca87d2b
commit 01656fd476
4 changed files with 85 additions and 2 deletions
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2
libavformat/Makefile
View File

@ -160,7 +160,7 @@ OBJS-$(CONFIG_MATROSKA_DEMUXER) += matroskadec.o matroska.o \
isom.o rmsipr.o
OBJS-$(CONFIG_MATROSKA_MUXER) += matroskaenc.o matroska.o \
isom.o avc.o \
flacenc_header.o avlanguage.o
flacenc_header.o avlanguage.o wv.o
OBJS-$(CONFIG_MD5_MUXER) += md5enc.o
OBJS-$(CONFIG_MJPEG_DEMUXER) += rawdec.o
OBJS-$(CONFIG_MJPEG_MUXER) += rawenc.o

73
libavformat/matroskaenc.c
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@ -27,6 +27,7 @@
#include "isom.h"
#include "matroska.h"
#include "riff.h"
#include "wv.h"
#include "libavutil/avstring.h"
#include "libavutil/dict.h"
@ -450,6 +451,15 @@ static int put_xiph_codecpriv(AVFormatContext *s, AVIOContext *pb, AVCodecContex
return 0;
}
static int put_wv_codecpriv(AVIOContext *pb, AVCodecContext *codec)
{
if (codec->extradata && codec->extradata_size == 2)
avio_write(pb, codec->extradata, 2);
else
avio_wl16(pb, 0x403); // fallback to the version mentioned in matroska specs
return 0;
}
static void get_aac_sample_rates(AVFormatContext *s, AVCodecContext *codec, int *sample_rate, int *output_sample_rate)
{
MPEG4AudioConfig mp4ac;
@ -479,6 +489,8 @@ static int mkv_write_codecprivate(AVFormatContext *s, AVIOContext *pb, AVCodecCo
ret = put_xiph_codecpriv(s, dyn_cp, codec);
else if (codec->codec_id == AV_CODEC_ID_FLAC)
ret = ff_flac_write_header(dyn_cp, codec, 1);
else if (codec->codec_id == AV_CODEC_ID_WAVPACK)
ret = put_wv_codecpriv(dyn_cp, codec);
else if (codec->codec_id == AV_CODEC_ID_H264)
ret = ff_isom_write_avcc(dyn_cp, codec->extradata, codec->extradata_size);
else if (codec->codec_id == AV_CODEC_ID_ALAC) {
@ -1054,6 +1066,59 @@ static int mkv_write_ass_blocks(AVFormatContext *s, AVIOContext *pb, AVPacket *p
return max_duration;
}
static int mkv_strip_wavpack(const uint8_t *src, uint8_t **pdst, int *size)
{
uint8_t *dst;
int srclen = *size;
int offset = 0;
int ret;
dst = av_malloc(srclen);
if (!dst)
return AVERROR(ENOMEM);
while (srclen >= WV_HEADER_SIZE) {
WvHeader header;
ret = ff_wv_parse_header(&header, src);
if (ret < 0)
goto fail;
src += WV_HEADER_SIZE;
srclen -= WV_HEADER_SIZE;
if (srclen < header.blocksize) {
ret = AVERROR_INVALIDDATA;
goto fail;
}
if (header.initial) {
AV_WL32(dst + offset, header.samples);
offset += 4;
}
AV_WL32(dst + offset, header.flags);
AV_WL32(dst + offset + 4, header.crc);
offset += 8;
if (!(header.initial && header.final)) {
AV_WL32(dst + offset, header.blocksize);
offset += 4;
}
memcpy(dst + offset, src, header.blocksize);
src += header.blocksize;
srclen -= header.blocksize;
offset += header.blocksize;
}
*pdst = dst;
*size = offset;
return 0;
fail:
av_freep(&dst);
return ret;
}
static void mkv_write_block(AVFormatContext *s, AVIOContext *pb,
unsigned int blockid, AVPacket *pkt, int flags)
{
@ -1069,7 +1134,13 @@ static void mkv_write_block(AVFormatContext *s, AVIOContext *pb,
if (codec->codec_id == AV_CODEC_ID_H264 && codec->extradata_size > 0 &&
(AV_RB24(codec->extradata) == 1 || AV_RB32(codec->extradata) == 1))
ff_avc_parse_nal_units_buf(pkt->data, &data, &size);
else
else if (codec->codec_id == AV_CODEC_ID_WAVPACK) {
int ret = mkv_strip_wavpack(pkt->data, &data, &size);
if (ret < 0) {
av_log(s, AV_LOG_ERROR, "Error stripping a WavPack packet.\n");
return;
}
} else
data = pkt->data;
if (codec->codec_id == AV_CODEC_ID_PRORES) {

2
tests/Makefile
View File

@ -42,6 +42,8 @@ ENCDEC2 = $(call ALLYES, $(firstword $(1))_ENCODER $(lastword $(1))_DECODER \
DEMDEC = $(call ALLYES, $(1)_DEMUXER $(2:%=%_DECODER))
ENCMUX = $(call ALLYES, $(1:%=%_ENCODER) $(2)_MUXER)
DEMMUX = $(call ALLYES, $(1)_DEMUXER $(2)_MUXER)
FILTERDEMDEC = $(call ALLYES, $(1)_FILTER $(2)_DEMUXER $(3)_DECODER)
FILTERDEMDECMUX = $(call ALLYES, $(1)_FILTER $(2)_DEMUXER $(3)_DECODER $(4)_MUXER)
FILTERDEMDECENCMUX = $(call ALLYES, $(1)_FILTER $(2)_DEMUXER $(3)_DECODER $(4)_ENCODER $(5)_MUXER)

10
tests/fate/wavpack.mak
View File

@ -88,5 +88,15 @@ FATE_WAVPACK-$(call DEMDEC, WV, WAVPACK) += $(FATE_WAVPACK)
FATE_WAVPACK-$(call DEMDEC, MATROSKA, WAVPACK) += fate-wavpack-matroskamode
fate-wavpack-matroskamode: CMD = md5 -i $(TARGET_SAMPLES)/wavpack/special/matroska_mode.mka -f s16le
FATE_WAVPACK-$(call DEMMUX, WV, MATROSKA) += fate-wavpack-matroska_mux-mono
fate-wavpack-matroska_mux-mono: CMD = md5 -i $(TARGET_SAMPLES)/wavpack/num_channels/mono_16bit_int.wv -c copy -flags +bitexact -f matroska
fate-wavpack-matroska_mux-mono: CMP = oneline
fate-wavpack-matroska_mux-mono: REF = f471da7c71cd01d5fb81efb1d740504f
FATE_WAVPACK-$(call DEMMUX, WV, MATROSKA) += fate-wavpack-matroska_mux-61
fate-wavpack-matroska_mux-61: CMD = md5 -i $(TARGET_SAMPLES)/wavpack/num_channels/eva_2.22_6.1_16bit-partial.wv -c copy -flags +bitexact -f matroska
fate-wavpack-matroska_mux-61: CMP = oneline
fate-wavpack-matroska_mux-61: REF = cbbd0ce7eabef52235bcdd2cb0690f24
FATE_SAMPLES_AVCONV += $(FATE_WAVPACK-yes)
fate-wavpack: $(FATE_WAVPACK-yes)