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-rw-r--r--libavformat/isom.c141
1 files changed, 129 insertions, 12 deletions
diff --git a/libavformat/isom.c b/libavformat/isom.c
index 5d10dca45e..d768c32b63 100644
--- a/libavformat/isom.c
+++ b/libavformat/isom.c
@@ -4,20 +4,20 @@
* Copyright (c) 2002 Francois Revol <revol@free.fr>
* Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -71,7 +71,6 @@ const AVCodecTag ff_codec_movvideo_tags[] = {
{ AV_CODEC_ID_RAWVIDEO, MKTAG('r', 'a', 'w', ' ') }, /* Uncompressed RGB */
{ AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', '2') }, /* Uncompressed YUV422 */
- { AV_CODEC_ID_RAWVIDEO, MKTAG('A', 'V', 'U', 'I') }, /* YUV with alpha-channel (AVID Uncompressed) */
{ AV_CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */
{ AV_CODEC_ID_RAWVIDEO, MKTAG('y', 'u', 'v', 's') }, /* same as 2vuy but byte swapped */
@@ -95,9 +94,17 @@ const AVCodecTag ff_codec_movvideo_tags[] = {
{ AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'k') }, /* UNCOMPRESSED 10BIT RGB */
{ AV_CODEC_ID_R10K, MKTAG('R', '1', '0', 'g') }, /* UNCOMPRESSED 10BIT RGB */
{ AV_CODEC_ID_R210, MKTAG('r', '2', '1', '0') }, /* UNCOMPRESSED 10BIT RGB */
+ { AV_CODEC_ID_AVUI, MKTAG('A', 'V', 'U', 'I') }, /* AVID Uncompressed deinterleaved UYVY422 */
+ { AV_CODEC_ID_AVRP, MKTAG('A', 'V', 'r', 'p') }, /* Avid 1:1 10-bit RGB Packer */
+ { AV_CODEC_ID_AVRP, MKTAG('S', 'U', 'D', 'S') }, /* Avid DS Uncompressed */
{ AV_CODEC_ID_V210, MKTAG('v', '2', '1', '0') }, /* UNCOMPRESSED 10BIT 4:2:2 */
{ AV_CODEC_ID_V210, MKTAG('b', 'x', 'y', '2') }, /* BOXX 10BIT 4:2:2 */
+ { AV_CODEC_ID_V308, MKTAG('v', '3', '0', '8') }, /* UNCOMPRESSED 8BIT 4:4:4 */
+ { AV_CODEC_ID_V408, MKTAG('v', '4', '0', '8') }, /* UNCOMPRESSED 8BIT 4:4:4:4 */
{ AV_CODEC_ID_V410, MKTAG('v', '4', '1', '0') }, /* UNCOMPRESSED 10BIT 4:4:4 */
+ { AV_CODEC_ID_Y41P, MKTAG('Y', '4', '1', 'P') }, /* UNCOMPRESSED 12BIT 4:1:1 */
+ { AV_CODEC_ID_YUV4, MKTAG('y', 'u', 'v', '4') }, /* libquicktime packed yuv420p */
+ { AV_CODEC_ID_TARGA_Y216, MKTAG('Y', '2', '1', '6') },
{ AV_CODEC_ID_MJPEG, MKTAG('j', 'p', 'e', 'g') }, /* PhotoJPEG */
{ AV_CODEC_ID_MJPEG, MKTAG('m', 'j', 'p', 'a') }, /* Motion-JPEG (format A) */
@@ -298,12 +305,15 @@ const AVCodecTag ff_codec_movaudio_tags[] = {
{ AV_CODEC_ID_SPEEX, MKTAG('s', 'p', 'e', 'x') }, /* Flash Media Server */
{ AV_CODEC_ID_SPEEX, MKTAG('S', 'P', 'X', 'N') }, /* ZygoAudio (quality 10 mode) */
{ AV_CODEC_ID_WMAV2, MKTAG('W', 'M', 'A', '2') },
+ { AV_CODEC_ID_EVRC, MKTAG('s', 'e', 'v', 'c') }, /* 3GPP2 */
+ { AV_CODEC_ID_SMV, MKTAG('s', 's', 'm', 'v') }, /* 3GPP2 */
{ AV_CODEC_ID_NONE, 0 },
};
const AVCodecTag ff_codec_movsubtitle_tags[] = {
{ AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'e', 'x', 't') },
{ AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
+ { AV_CODEC_ID_EIA_608, MKTAG('c', '6', '0', '8') },
{ AV_CODEC_ID_NONE, 0 },
};
@@ -431,14 +441,23 @@ static const AVCodecTag mp4_audio_types[] = {
int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb)
{
+ enum AVCodecID codec_id;
int len, tag;
+ int ret;
int object_type_id = avio_r8(pb);
avio_r8(pb); /* stream type */
avio_rb24(pb); /* buffer size db */
avio_rb32(pb); /* max bitrate */
avio_rb32(pb); /* avg bitrate */
- st->codec->codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
+ if(avcodec_is_open(st->codec)) {
+ av_log(fc, AV_LOG_DEBUG, "codec open in read_dec_config_descr\n");
+ return -1;
+ }
+
+ codec_id= ff_codec_get_id(ff_mp4_obj_type, object_type_id);
+ if (codec_id)
+ st->codec->codec_id= codec_id;
av_dlog(fc, "esds object type id 0x%02x\n", object_type_id);
len = ff_mp4_read_descr(fc, pb, &tag);
if (tag == MP4DecSpecificDescrTag) {
@@ -446,13 +465,10 @@ int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext
if (!len || (uint64_t)len > (1<<30))
return -1;
av_free(st->codec->extradata);
- st->codec->extradata = av_mallocz(len + FF_INPUT_BUFFER_PADDING_SIZE);
- if (!st->codec->extradata)
- return AVERROR(ENOMEM);
- avio_read(pb, st->codec->extradata, len);
- st->codec->extradata_size = len;
+ if ((ret = ff_get_extradata(st->codec, pb, len)) < 0)
+ return ret;
if (st->codec->codec_id == AV_CODEC_ID_AAC) {
- MPEG4AudioConfig cfg;
+ MPEG4AudioConfig cfg = {0};
avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata,
st->codec->extradata_size * 8, 1);
st->codec->channels = cfg.channels;
@@ -473,3 +489,104 @@ int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext
}
return 0;
}
+
+typedef struct MovChannelLayout {
+ int64_t channel_layout;
+ uint32_t layout_tag;
+} MovChannelLayout;
+
+static const MovChannelLayout mov_channel_layout[] = {
+ { AV_CH_LAYOUT_MONO, (100<<16) | 1}, // kCAFChannelLayoutTag_Mono
+ { AV_CH_LAYOUT_STEREO, (101<<16) | 2}, // kCAFChannelLayoutTag_Stereo
+ { AV_CH_LAYOUT_STEREO, (102<<16) | 2}, // kCAFChannelLayoutTag_StereoHeadphones
+ { AV_CH_LAYOUT_2_1, (131<<16) | 3}, // kCAFChannelLayoutTag_ITU_2_1
+ { AV_CH_LAYOUT_QUAD, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
+ { AV_CH_LAYOUT_2_2, (132<<16) | 4}, // kCAFChannelLayoutTag_ITU_2_2
+ { AV_CH_LAYOUT_QUAD, (108<<16) | 4}, // kCAFChannelLayoutTag_Quadraphonic
+ { AV_CH_LAYOUT_SURROUND, (113<<16) | 3}, // kCAFChannelLayoutTag_MPEG_3_0_A
+ { AV_CH_LAYOUT_4POINT0, (115<<16) | 4}, // kCAFChannelLayoutTag_MPEG_4_0_A
+ { AV_CH_LAYOUT_5POINT0_BACK, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
+ { AV_CH_LAYOUT_5POINT0, (117<<16) | 5}, // kCAFChannelLayoutTag_MPEG_5_0_A
+ { AV_CH_LAYOUT_5POINT1_BACK, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
+ { AV_CH_LAYOUT_5POINT1, (121<<16) | 6}, // kCAFChannelLayoutTag_MPEG_5_1_A
+ { AV_CH_LAYOUT_7POINT1, (128<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_C
+ { AV_CH_LAYOUT_7POINT1_WIDE, (126<<16) | 8}, // kCAFChannelLayoutTag_MPEG_7_1_A
+ { AV_CH_LAYOUT_5POINT1_BACK|AV_CH_LAYOUT_STEREO_DOWNMIX, (130<<16) | 8}, // kCAFChannelLayoutTag_SMPTE_DTV
+ { AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY, (133<<16) | 3}, // kCAFChannelLayoutTag_DVD_4
+ { AV_CH_LAYOUT_2_1|AV_CH_LOW_FREQUENCY, (134<<16) | 4}, // kCAFChannelLayoutTag_DVD_5
+ { AV_CH_LAYOUT_QUAD|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
+ { AV_CH_LAYOUT_2_2|AV_CH_LOW_FREQUENCY, (135<<16) | 4}, // kCAFChannelLayoutTag_DVD_6
+ { AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY, (136<<16) | 4}, // kCAFChannelLayoutTag_DVD_10
+ { AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY, (137<<16) | 5}, // kCAFChannelLayoutTag_DVD_11
+ { 0, 0},
+};
+#if 0
+int ff_mov_read_chan(AVFormatContext *s, AVStream *st, int64_t size)
+{
+ AVCodecContext *codec= st->codec;
+ uint32_t layout_tag;
+ AVIOContext *pb = s->pb;
+ const MovChannelLayout *layouts = mov_channel_layout;
+
+ if (size < 12)
+ return AVERROR_INVALIDDATA;
+
+ layout_tag = avio_rb32(pb);
+ size -= 4;
+ if (layout_tag == 0) { // kCAFChannelLayoutTag_UseChannelDescriptions
+ // Channel descriptions not implemented
+ av_log_ask_for_sample(s, "Unimplemented container channel layout.\n");
+ avio_skip(pb, size);
+ return 0;
+ }
+ if (layout_tag == 0x10000) { // kCAFChannelLayoutTag_UseChannelBitmap
+ codec->channel_layout = avio_rb32(pb);
+ size -= 4;
+ avio_skip(pb, size);
+ return 0;
+ }
+ while (layouts->channel_layout) {
+ if (layout_tag == layouts->layout_tag) {
+ codec->channel_layout = layouts->channel_layout;
+ break;
+ }
+ layouts++;
+ }
+ if (!codec->channel_layout)
+ av_log(s, AV_LOG_WARNING, "Unknown container channel layout.\n");
+ avio_skip(pb, size);
+
+ return 0;
+}
+#endif
+
+void ff_mov_write_chan(AVIOContext *pb, int64_t channel_layout)
+{
+ const MovChannelLayout *layouts;
+ uint32_t layout_tag = 0;
+
+ for (layouts = mov_channel_layout; layouts->channel_layout; layouts++)
+ if (channel_layout == layouts->channel_layout) {
+ layout_tag = layouts->layout_tag;
+ break;
+ }
+
+ if (layout_tag) {
+ avio_wb32(pb, layout_tag); // mChannelLayoutTag
+ avio_wb32(pb, 0); // mChannelBitmap
+ } else {
+ avio_wb32(pb, 0x10000); // kCAFChannelLayoutTag_UseChannelBitmap
+ avio_wb32(pb, channel_layout);
+ }
+ avio_wb32(pb, 0); // mNumberChannelDescriptions
+}
+
+const struct AVCodecTag *avformat_get_mov_video_tags(void)
+{
+ return ff_codec_movvideo_tags;
+}
+
+const struct AVCodecTag *avformat_get_mov_audio_tags(void)
+{
+ return ff_codec_movaudio_tags;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-09 20:14:50 +0000