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authorwm4 <wm4@nowhere>2012-12-09 18:53:24 +0100
committerwm4 <wm4@nowhere>2012-12-11 00:37:54 +0100
commit2dd2d9bcfcf57b9921c9ef360746dd59c45574fd (patch)
treefc470ed6d914e9b04e8b0fb33f51ce0346b86804
parent58f3b7548588c224099fa059868116be003678bd (diff)
downloadmpv-2dd2d9bcfcf57b9921c9ef360746dd59c45574fd.tar.bz2
mpv-2dd2d9bcfcf57b9921c9ef360746dd59c45574fd.tar.xz
audio/decode: remove ad_pcm and use ad_lavc for PCM
Since libavcodec doesn't have a "generic" PCM decoder, we have to go out of out way to make it look like ad_lavc provides one: make it provide a pseudo "pcm" decoder, which maps some format tags manually to the individual libavcodec PCM decoders. Format tags which uniquely map to one libavcodec could be mapped via codecs.conf. Since defining these in tag_map[] is much shorter (one line vs. a full codec entry in codecs.conf), and since we need tag_map[] anyway, we don't use codecs.conf for these. ad_pcm is evil because it still does partial packet reads (with demux_read_data()), and it's redundant to libavcodec anyway.
-rw-r--r--Makefile1
-rw-r--r--audio/decode/ad.c2
-rw-r--r--audio/decode/ad_lavc.c99
-rw-r--r--audio/decode/ad_pcm.c220
-rw-r--r--demux/mp_taglists.c8
-rw-r--r--etc/codecs.conf58
6 files changed, 122 insertions, 266 deletions
diff --git a/Makefile b/Makefile
index 16299e3744..43688ec0aa 100644
--- a/Makefile
+++ b/Makefile
@@ -125,7 +125,6 @@ SOURCES = talloc.c \
audio/decode/ad.c \
audio/decode/ad_dvdpcm.c \
audio/decode/ad_lavc.c \
- audio/decode/ad_pcm.c \
audio/decode/ad_spdif.c \
audio/decode/dec_audio.c \
audio/filter/af.c \
diff --git a/audio/decode/ad.c b/audio/decode/ad.c
index ac344636e6..f091914244 100644
--- a/audio/decode/ad.c
+++ b/audio/decode/ad.c
@@ -33,7 +33,6 @@
extern const ad_functions_t mpcodecs_ad_mpg123;
extern const ad_functions_t mpcodecs_ad_ffmpeg;
-extern const ad_functions_t mpcodecs_ad_pcm;
extern const ad_functions_t mpcodecs_ad_dvdpcm;
extern const ad_functions_t mpcodecs_ad_spdif;
@@ -43,7 +42,6 @@ const ad_functions_t * const mpcodecs_ad_drivers[] =
&mpcodecs_ad_mpg123,
#endif
&mpcodecs_ad_ffmpeg,
- &mpcodecs_ad_pcm,
&mpcodecs_ad_dvdpcm,
&mpcodecs_ad_spdif,
NULL
diff --git a/audio/decode/ad_lavc.c b/audio/decode/ad_lavc.c
index 8553e93cf1..e0e39e1e7d 100644
--- a/audio/decode/ad_lavc.c
+++ b/audio/decode/ad_lavc.c
@@ -59,6 +59,86 @@ struct priv {
int previous_data_left; // input demuxer packet data
};
+struct pcm_map
+{
+ int tag;
+ const char *codecs[5]; // {any, 1byte, 2bytes, 3bytes, 4bytes}
+};
+
+// NOTE: some of these are needed to make rawaudio with demux_mkv and others
+// work. ffmpeg does similar mapping internally, not part of the public
+// API. Some of these might be dead leftovers for demux_mov support.
+static const struct pcm_map tag_map[] = {
+ // Microsoft PCM
+ {0x0, {NULL, "pcm_u8", "pcm_s16le", "pcm_s24le", "pcm_s32le"}},
+ {0x1, {NULL, "pcm_u8", "pcm_s16le", "pcm_s24le", "pcm_s32le"}},
+ // MS PCM, Extended
+ {0xfffe, {NULL, "pcm_u8", "pcm_s16le", "pcm_s24le", "pcm_s32le"}},
+ // IEEE float
+ {0x3, {"pcm_f32le"}},
+ // 'raw '
+ {0x20776172, {"pcm_s16be", [1] = "pcm_u8"}},
+ // 'twos'/'sowt'
+ {0x736F7774, {"pcm_s16be", [1] = "pcm_s8"}},
+ {0x74776F73, {"pcm_s16be", [1] = "pcm_s8"}},
+ // 'fl32'/'FL32'
+ {0x32336c66, {"pcm_f32be"}},
+ {0x32334C46, {"pcm_f32be"}},
+ // '23lf'/'lpcm'
+ {0x666c3332, {"pcm_f32le"}},
+ {0x6D63706C, {"pcm_f32le"}},
+ // 'in24', bigendian int24
+ {0x34326e69, {"pcm_s24be"}},
+ // '42ni', little endian int24, MPlayer internal fourCC
+ {0x696e3234, {"pcm_s24le"}},
+ // 'in32', bigendian int32
+ {0x32336e69, {"pcm_s32be"}},
+ // '23ni', little endian int32, MPlayer internal fourCC
+ {0x696e3332, {"pcm_s32le"}},
+ {-1},
+};
+
+// For demux_rawaudio.c; needed because ffmpeg doesn't have these sample
+// formats natively.
+static const struct pcm_map af_map[] = {
+ {AF_FORMAT_U8, {"pcm_u8"}},
+ {AF_FORMAT_S8, {"pcm_u8"}},
+ {AF_FORMAT_U16_LE, {"pcm_u16le"}},
+ {AF_FORMAT_U16_BE, {"pcm_u16be"}},
+ {AF_FORMAT_S16_LE, {"pcm_s16le"}},
+ {AF_FORMAT_S16_BE, {"pcm_s16be"}},
+ {AF_FORMAT_U24_LE, {"pcm_u24le"}},
+ {AF_FORMAT_U24_BE, {"pcm_u24be"}},
+ {AF_FORMAT_S24_LE, {"pcm_s24le"}},
+ {AF_FORMAT_S24_BE, {"pcm_s24be"}},
+ {AF_FORMAT_U32_LE, {"pcm_u32le"}},
+ {AF_FORMAT_U32_BE, {"pcm_u32be"}},
+ {AF_FORMAT_S32_LE, {"pcm_s32le"}},
+ {AF_FORMAT_S32_BE, {"pcm_s32be"}},
+ {AF_FORMAT_FLOAT_LE, {"pcm_f32le"}},
+ {AF_FORMAT_FLOAT_BE, {"pcm_f32be"}},
+ {-1},
+};
+
+static const char *find_pcm_decoder(const struct pcm_map *map, int format,
+ int bits_per_sample)
+{
+ int bytes = (bits_per_sample + 7) / 8;
+ for (int n = 0; map[n].tag != -1; n++) {
+ const struct pcm_map *entry = &map[n];
+ if (entry->tag == format) {
+ const char *dec = NULL;
+ if (bytes >= 1 && bytes <= 4)
+ dec = entry->codecs[bytes];
+ if (!dec)
+ dec = entry->codecs[0];
+ if (dec)
+ return dec;
+ }
+ }
+ return NULL;
+}
+
static int preinit(sh_audio_t *sh)
{
return 1;
@@ -115,12 +195,23 @@ static int init(sh_audio_t *sh_audio)
AVCodecContext *lavc_context;
AVCodec *lavc_codec;
- if (sh_audio->codec->dll) {
- lavc_codec = avcodec_find_decoder_by_name(sh_audio->codec->dll);
+ const char *dll = sh_audio->codec->dll;
+
+ if (sh_audio->wf && dll && strcmp(dll, "pcm") == 0) {
+ if (sh_audio->format == MKTAG('M', 'P', 'a', 'f')) {
+ // demuxer_rawaudio convenience (abuses wFormatTag)
+ dll = find_pcm_decoder(af_map, sh_audio->wf->wFormatTag, 0);
+ } else {
+ dll = find_pcm_decoder(tag_map, sh_audio->format,
+ sh_audio->wf->wBitsPerSample);
+ }
+ }
+
+ if (dll) {
+ lavc_codec = avcodec_find_decoder_by_name(dll);
if (!lavc_codec) {
mp_tmsg(MSGT_DECAUDIO, MSGL_ERR,
- "Cannot find codec '%s' in libavcodec...\n",
- sh_audio->codec->dll);
+ "Cannot find codec '%s' in libavcodec...\n", dll);
return 0;
}
} else if (!sh_audio->libav_codec_id) {
diff --git a/audio/decode/ad_pcm.c b/audio/decode/ad_pcm.c
deleted file mode 100644
index 01500b1274..0000000000
--- a/audio/decode/ad_pcm.c
+++ /dev/null
@@ -1,220 +0,0 @@
-/*
- * This file is part of MPlayer.
- *
- * MPlayer is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * MPlayer is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with MPlayer; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdbool.h>
-
-#include <libavutil/common.h>
-
-#include "talloc.h"
-#include "config.h"
-#include "ad_internal.h"
-#include "audio/format.h"
-#include "audio/reorder_ch.h"
-
-static const ad_info_t info = {
- "Uncompressed PCM audio decoder",
- "pcm",
- "Nick Kurshev",
- "A'rpi",
- ""
-};
-
-struct ad_pcm_context {
- unsigned char *buffer;
- int buffer_pos;
- int buffer_len;
- int buffer_size;
-};
-
-LIBAD_EXTERN(pcm)
-
-static int init(sh_audio_t * sh_audio)
-{
- WAVEFORMATEX *h = sh_audio->wf;
- if (!h)
- return 0;
- sh_audio->i_bps = h->nAvgBytesPerSec;
- sh_audio->channels = h->nChannels;
- sh_audio->samplerate = h->nSamplesPerSec;
- sh_audio->samplesize = (h->wBitsPerSample + 7) / 8;
- sh_audio->sample_format = AF_FORMAT_S16_LE; // default
- switch (sh_audio->format) { /* hardware formats: */
- case 0x0:
- case 0x1: // Microsoft PCM
- case 0xfffe: // Extended
- switch (sh_audio->samplesize) {
- case 1: sh_audio->sample_format = AF_FORMAT_U8; break;
- case 2: sh_audio->sample_format = AF_FORMAT_S16_LE; break;
- case 3: sh_audio->sample_format = AF_FORMAT_S24_LE; break;
- case 4: sh_audio->sample_format = AF_FORMAT_S32_LE; break;
- }
- break;
- case 0x3: // IEEE float
- sh_audio->sample_format = AF_FORMAT_FLOAT_LE;
- break;
- case 0x6: sh_audio->sample_format = AF_FORMAT_A_LAW; break;
- case 0x7: sh_audio->sample_format = AF_FORMAT_MU_LAW; break;
- case 0x11: sh_audio->sample_format = AF_FORMAT_IMA_ADPCM; break;
- case 0x50: sh_audio->sample_format = AF_FORMAT_MPEG2; break;
-/* case 0x2000: sh_audio->sample_format=AFMT_AC3; */
- case 0x20776172: // 'raw '
- sh_audio->sample_format = AF_FORMAT_S16_BE;
- if (sh_audio->samplesize == 1)
- sh_audio->sample_format = AF_FORMAT_U8;
- break;
- case 0x736F7774: // 'twos'
- sh_audio->sample_format = AF_FORMAT_S16_BE;
- // intended fall-through
- case 0x74776F73: // 'sowt'
- if (sh_audio->samplesize == 1)
- sh_audio->sample_format = AF_FORMAT_S8;
- break;
- case 0x32336c66: // 'fl32', bigendian float32
- case 0x32334C46: // 'FL32', bigendian float32 in aiff
- sh_audio->sample_format = AF_FORMAT_FLOAT_BE;
- sh_audio->samplesize = 4;
- break;
- case 0x666c3332: // '23lf', little endian float32, MPlayer internal fourCC
- case 0x6D63706C: // 'lpcm'
- sh_audio->sample_format = AF_FORMAT_FLOAT_LE;
- sh_audio->samplesize = 4;
- break;
-/* case 0x34366c66: // 'fl64', bigendian float64
- sh_audio->sample_format=AF_FORMAT_FLOAT_BE;
- sh_audio->samplesize=8;
- break;
- case 0x666c3634: // '46lf', little endian float64, MPlayer internal fourCC
- sh_audio->sample_format=AF_FORMAT_FLOAT_LE;
- sh_audio->samplesize=8;
- break;*/
- case 0x34326e69: // 'in24', bigendian int24
- sh_audio->sample_format = AF_FORMAT_S24_BE;
- sh_audio->samplesize = 3;
- break;
- case 0x696e3234: // '42ni', little endian int24, MPlayer internal fourCC
- sh_audio->sample_format = AF_FORMAT_S24_LE;
- sh_audio->samplesize = 3;
- break;
- case 0x32336e69: // 'in32', bigendian int32
- sh_audio->sample_format = AF_FORMAT_S32_BE;
- sh_audio->samplesize = 4;
- break;
- case 0x696e3332: // '23ni', little endian int32, MPlayer internal fourCC
- sh_audio->sample_format = AF_FORMAT_S32_LE;
- sh_audio->samplesize = 4;
- break;
- case MKTAG('M', 'P', 'a', 'f'):
- sh_audio->sample_format = h->wFormatTag;
- sh_audio->samplesize = (af_fmt2bits(sh_audio->sample_format) + 7) / 8;
- break;
- default:
- if (sh_audio->samplesize != 2)
- sh_audio->sample_format = AF_FORMAT_U8;
- }
- if (!sh_audio->samplesize) // this would cause MPlayer to hang later
- sh_audio->samplesize = 2;
- sh_audio->context = talloc_zero(NULL, struct ad_pcm_context);
- return 1;
-}
-
-static int preinit(sh_audio_t *sh)
-{
- sh->audio_out_minsize = 2048;
- return 1;
-}
-
-static void uninit(sh_audio_t *sh)
-{
- talloc_free(sh->context);
-}
-
-static int control(sh_audio_t *sh, int cmd, void *arg, ...)
-{
- struct ad_pcm_context *ctx = sh->context;
- int skip;
- switch (cmd) {
- case ADCTRL_RESYNC_STREAM:
- ctx->buffer_len = 0;
- return true;
- case ADCTRL_SKIP_FRAME:
- skip = sh->i_bps / 16;
- skip = skip & (~3);
- demux_read_data(sh->ds, NULL, skip);
- return CONTROL_TRUE;
- }
- return CONTROL_UNKNOWN;
-}
-
-static int decode_audio(sh_audio_t *sh_audio, unsigned char *buf, int minlen,
- int maxlen)
-{
- int unitsize = sh_audio->channels * sh_audio->samplesize;
- minlen = (minlen + unitsize - 1) / unitsize * unitsize;
- if (minlen > maxlen)
- // if someone needs hundreds of channels adjust audio_out_minsize
- // based on channels in preinit()
- return -1;
-
- int len = 0;
- struct ad_pcm_context *ctx = sh_audio->context;
- while (len < minlen) {
- if (ctx->buffer_len - ctx->buffer_pos <= 0) {
- double pts;
- unsigned char *ptr;
- int plen = ds_get_packet_pts(sh_audio->ds, &ptr, &pts);
- if (plen < 0)
- break;
- if (ctx->buffer_size < plen) {
- talloc_free(ctx->buffer);
- ctx->buffer = talloc_size(ctx, plen);
- ctx->buffer_size = plen;
- }
- memcpy(ctx->buffer, ptr, plen);
- ctx->buffer_len = plen;
- ctx->buffer_pos = 0;
- if (pts != MP_NOPTS_VALUE) {
- sh_audio->pts = pts;
- sh_audio->pts_bytes = 0;
- }
- }
- int from_stored = ctx->buffer_len - ctx->buffer_pos;
- if (from_stored > minlen - len)
- from_stored = minlen - len;
- memcpy(buf + len, ctx->buffer + ctx->buffer_pos, from_stored);
- ctx->buffer_pos += from_stored;
- sh_audio->pts_bytes += from_stored;
- len += from_stored;
- }
- if (len % unitsize) {
- mp_msg(MSGT_DECAUDIO, MSGL_WARN, "[ad_pcm] discarding partial sample "
- "at end\n");
- len -= len % unitsize;
- }
- if (len == 0)
- len = -1; // The loop above only exits at error/EOF
- if (len > 0 && sh_audio->channels >= 5) {
- reorder_channel_nch(buf, AF_CHANNEL_LAYOUT_WAVEEX_DEFAULT,
- AF_CHANNEL_LAYOUT_MPLAYER_DEFAULT,
- sh_audio->channels, len / sh_audio->samplesize,
- sh_audio->samplesize);
- }
- return len;
-}
diff --git a/demux/mp_taglists.c b/demux/mp_taglists.c
index afd1b971ce..d5bbcae693 100644
--- a/demux/mp_taglists.c
+++ b/demux/mp_taglists.c
@@ -74,14 +74,6 @@ static const struct tag mp_codecid_override_tags[] = {
{ CODEC_ID_H264, MKTAG('H', '2', '6', '4')},
{ CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'V')},
{ CODEC_ID_PCM_BLURAY, MKTAG('B', 'P', 'C', 'M')},
- { CODEC_ID_PCM_S8, MKTAG('t', 'w', 'o', 's')},
- { CODEC_ID_PCM_U8, 1},
- { CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's')},
- { CODEC_ID_PCM_S16LE, 1},
- { CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4')},
- { CODEC_ID_PCM_S24LE, 1},
- { CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2')},
- { CODEC_ID_PCM_S32LE, 1},
{ CODEC_ID_MP2, 0x50},
{ CODEC_ID_MPEG2VIDEO, MKTAG('M', 'P', 'G', '2')},
{ CODEC_ID_TRUEHD, MKTAG('T', 'R', 'H', 'D')},
diff --git a/etc/codecs.conf b/etc/codecs.conf
index 9442ec34ad..3988dd6cd1 100644
--- a/etc/codecs.conf
+++ b/etc/codecs.conf
@@ -1761,37 +1761,6 @@ audiocodec ffnellymoser
driver ffmpeg
dll "nellymoser"
-audiocodec pcm
- info "Uncompressed PCM"
- status working
- format 0x0
- format 0x1
- format 0x3 ; IEEE float
- format 0xfffe ; Extended
- fourcc "raw " ; (MOV files)
- fourcc twos ; (MOV files)
- fourcc sowt ; (MOV files)
- fourcc fl32 ; (MOV files)
- fourcc 23lf ; (MOV files)
-; fourcc fl64 ; (MOV files)
-; fourcc 46lf ; (MOV files)
- fourcc NONE ; (MOV files from Kodak CX6320)
- fourcc in24 ; (MOV files)
- fourcc 42ni ; (MOV files)
- fourcc in32 ; (MOV files)
- fourcc 23ni ; (MOV files)
- fourcc lpcm ; (MOV files)
- fourcc FL32 ; (aiff files)
- fourcc MPaf ; internal MPlayer FourCC for demux_rawaudio
-;;;; these are for hardware support only: (alaw,ulaw,ima-adpcm,mpeg,ac3)
-; format 0x6
-; format 0x7
-; format 0x11
-; format 0x50
-; format 0x2000
-;;;;
- driver pcm
-
audiocodec ffpcmdaud
info "D-Cinema audio (FFmpeg)"
status untested
@@ -2140,6 +2109,33 @@ audiocodec fftwinvq
driver ffmpeg
dll twinvq
+; lavc raw audio decoders
+
+audiocodec ffpcm
+ info "FFmpeg PCM"
+ status working
+ format 0x0
+ format 0x1
+ format 0x3 ; IEEE float
+ format 0xfffe ; Extended
+ fourcc "raw " ; (MOV files)
+ fourcc twos ; (MOV files)
+ fourcc sowt ; (MOV files)
+ fourcc fl32 ; (MOV files)
+ fourcc 23lf ; (MOV files)
+ fourcc NONE ; (MOV files from Kodak CX6320)
+ fourcc in24 ; (MOV files)
+ fourcc 42ni ; (MOV files)
+ fourcc in32 ; (MOV files)
+ fourcc 23ni ; (MOV files)
+ fourcc lpcm ; (MOV files)
+ fourcc FL32 ; (aiff files)
+ fourcc MPaf ; internal MPlayer FourCC for demux_rawaudio
+ driver ffmpeg
+ dll pcm
+
+; ad_pcm pass-through decoders
+
audiocodec spdifaac
info "libavformat/spdifenc AAC pass-through decoder"
status working