mirror of
https://gitee.com/openharmony/third_party_ffmpeg
synced 2024-11-23 11:19:55 +00:00
Merge commit '55ddd700c67529ff2c6c4e976673f1341bba7a82'
* commit '55ddd700c67529ff2c6c4e976673f1341bba7a82':
Silicon Graphics Movie demuxer
Conflicts:
Changelog
libavformat/mvdec.c
libavformat/version.h
See: 6fb40779cd
Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
commit
01a39a978c
@ -246,8 +246,8 @@ OBJS-$(CONFIG_MPL2_DEMUXER) += mpl2dec.o subtitles.o
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OBJS-$(CONFIG_MPSUB_DEMUXER) += mpsubdec.o subtitles.o
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OBJS-$(CONFIG_MSNWC_TCP_DEMUXER) += msnwc_tcp.o
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OBJS-$(CONFIG_MTV_DEMUXER) += mtv.o
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OBJS-$(CONFIG_MVI_DEMUXER) += mvi.o
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OBJS-$(CONFIG_MV_DEMUXER) += mvdec.o
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OBJS-$(CONFIG_MVI_DEMUXER) += mvi.o
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OBJS-$(CONFIG_MXF_DEMUXER) += mxfdec.o mxf.o
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OBJS-$(CONFIG_MXF_MUXER) += mxfenc.o mxf.o audiointerleave.o
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OBJS-$(CONFIG_MXG_DEMUXER) += mxg.o
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@ -24,48 +24,55 @@
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* Silicon Graphics Movie demuxer
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*/
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#include "libavutil/channel_layout.h"
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#include "libavutil/eval.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/rational.h"
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#include "avformat.h"
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#include "internal.h"
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typedef struct {
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typedef struct MvContext {
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int nb_video_tracks;
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int nb_audio_tracks;
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int eof_count; /**< number of streams that have finished */
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int stream_index; /**< current stream index */
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int frame[2]; /**< frame nb for current stream */
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int eof_count; ///< number of streams that have finished
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int stream_index; ///< current stream index
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int frame[2]; ///< frame nb for current stream
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int acompression; ///< compression level for audio stream
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int aformat; ///< audio format
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} MvContext;
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#define AUDIO_FORMAT_SIGNED 401
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static int mv_probe(AVProbeData *p)
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{
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if (AV_RB32(p->buf) == MKBETAG('M','O','V','I') && AV_RB16(p->buf + 4) < 3)
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if (AV_RB32(p->buf) == MKBETAG('M', 'O', 'V', 'I') &&
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AV_RB16(p->buf + 4) < 3)
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return AVPROBE_SCORE_MAX;
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return 0;
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}
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static char * var_read_string(AVIOContext *pb, int size)
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static char *var_read_string(AVIOContext *pb, int size)
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{
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char *str = av_malloc(size + 1);
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int n;
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char *str = av_malloc(size + 1);
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if (!str)
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return NULL;
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n = avio_get_str(pb, size, str, size + 1);
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if (n < size)
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avio_skip(pb, size - n);
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avio_skip(pb, size - n);
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return str;
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}
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static int var_read_int(AVIOContext *pb, int size)
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{
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int v;
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char * s = var_read_string(pb, size);
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if (!s || sscanf(s, "%d", &v) != 1)
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v = 0;
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char *s = var_read_string(pb, size);
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if (!s)
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return 0;
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v = strtol(s, NULL, 10);
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av_free(s);
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return v;
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}
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@ -73,9 +80,9 @@ static int var_read_int(AVIOContext *pb, int size)
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static AVRational var_read_float(AVIOContext *pb, int size)
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{
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AVRational v;
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char * s = var_read_string(pb, size);
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char *s = var_read_string(pb, size);
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if (!s)
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return (AVRational){0, 0};
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return (AVRational) { 0, 0 };
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v = av_d2q(av_strtod(s, NULL), INT_MAX);
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av_free(s);
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return v;
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@ -88,13 +95,15 @@ static void var_read_metadata(AVFormatContext *avctx, const char *tag, int size)
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av_dict_set(&avctx->metadata, tag, value, AV_DICT_DONT_STRDUP_VAL);
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}
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static int set_channels(AVFormatContext *avctx, AVStream *st, int channels) {
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static int set_channels(AVFormatContext *avctx, AVStream *st, int channels)
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{
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if (channels <= 0) {
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av_log(avctx, AV_LOG_ERROR, "Channel count %d invalid\n", channels);
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av_log(avctx, AV_LOG_ERROR, "Channel count %d invalid.\n", channels);
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return AVERROR_INVALIDDATA;
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}
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st->codec->channels = channels;
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st->codec->channel_layout = (st->codec->channels == 1) ? AV_CH_LAYOUT_MONO : AV_CH_LAYOUT_STEREO;
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st->codec->channels = channels;
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st->codec->channel_layout = (st->codec->channels == 1) ? AV_CH_LAYOUT_MONO
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: AV_CH_LAYOUT_STEREO;
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return 0;
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}
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@ -102,7 +111,8 @@ static int set_channels(AVFormatContext *avctx, AVStream *st, int channels) {
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* Parse global variable
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* @return < 0 if unknown
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*/
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static int parse_global_var(AVFormatContext *avctx, AVStream *st, const char *name, int size)
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static int parse_global_var(AVFormatContext *avctx, AVStream *st,
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const char *name, int size)
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{
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MvContext *mv = avctx->priv_data;
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AVIOContext *pb = avctx->pb;
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@ -112,10 +122,11 @@ static int parse_global_var(AVFormatContext *avctx, AVStream *st, const char *na
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mv->nb_audio_tracks = var_read_int(pb, size);
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} else if (!strcmp(name, "COMMENT") || !strcmp(name, "TITLE")) {
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var_read_metadata(avctx, name, size);
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} else if (!strcmp(name, "LOOP_MODE") || !strcmp(name, "NUM_LOOPS") || !strcmp(name, "OPTIMIZED")) {
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} else if (!strcmp(name, "LOOP_MODE") || !strcmp(name, "NUM_LOOPS") ||
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!strcmp(name, "OPTIMIZED")) {
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avio_skip(pb, size); // ignore
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} else
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return -1;
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return AVERROR_INVALIDDATA;
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return 0;
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}
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@ -124,15 +135,17 @@ static int parse_global_var(AVFormatContext *avctx, AVStream *st, const char *na
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* Parse audio variable
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* @return < 0 if unknown
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*/
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static int parse_audio_var(AVFormatContext *avctx, AVStream *st, const char *name, int size)
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static int parse_audio_var(AVFormatContext *avctx, AVStream *st,
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const char *name, int size)
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{
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MvContext *mv = avctx->priv_data;
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AVIOContext *pb = avctx->pb;
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if (!strcmp(name, "__DIR_COUNT")) {
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st->nb_frames = var_read_int(pb, size);
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} else if (!strcmp(name, "AUDIO_FORMAT")) {
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st->codec->codec_id = var_read_int(pb, size);
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mv->aformat = var_read_int(pb, size);
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} else if (!strcmp(name, "COMPRESSION")) {
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st->codec->codec_tag = var_read_int(pb, size);
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mv->acompression = var_read_int(pb, size);
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} else if (!strcmp(name, "DEFAULT_VOL")) {
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var_read_metadata(avctx, name, size);
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} else if (!strcmp(name, "NUM_CHANNELS")) {
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@ -143,7 +156,8 @@ static int parse_audio_var(AVFormatContext *avctx, AVStream *st, const char *nam
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} else if (!strcmp(name, "SAMPLE_WIDTH")) {
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st->codec->bits_per_coded_sample = var_read_int(pb, size) * 8;
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} else
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return -1;
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return AVERROR_INVALIDDATA;
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return 0;
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}
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@ -151,13 +165,14 @@ static int parse_audio_var(AVFormatContext *avctx, AVStream *st, const char *nam
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* Parse video variable
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* @return < 0 if unknown
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*/
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static int parse_video_var(AVFormatContext *avctx, AVStream *st, const char *name, int size)
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static int parse_video_var(AVFormatContext *avctx, AVStream *st,
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const char *name, int size)
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{
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AVIOContext *pb = avctx->pb;
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if (!strcmp(name, "__DIR_COUNT")) {
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st->nb_frames = st->duration = var_read_int(pb, size);
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} else if (!strcmp(name, "COMPRESSION")) {
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char * str = var_read_string(pb, size);
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char *str = var_read_string(pb, size);
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if (!str)
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return AVERROR_INVALIDDATA;
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if (!strcmp(str, "1")) {
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@ -172,35 +187,40 @@ static int parse_video_var(AVFormatContext *avctx, AVStream *st, const char *nam
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} else if (!strcmp(str, "MVC2")) {
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st->codec->codec_id = AV_CODEC_ID_MVC2;
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} else {
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avpriv_request_sample(avctx, "video compression %s", str);
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avpriv_request_sample(avctx, "Video compression %s", str);
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}
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av_free(str);
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} else if (!strcmp(name, "FPS")) {
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AVRational fps = var_read_float(pb, size);
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avpriv_set_pts_info(st, 64, fps.den, fps.num);
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st->avg_frame_rate = fps;
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} else if (!strcmp(name, "HEIGHT")) {
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st->codec->height = var_read_int(pb, size);
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} else if (!strcmp(name, "PIXEL_ASPECT")) {
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st->sample_aspect_ratio = var_read_float(pb, size);
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av_reduce(&st->sample_aspect_ratio.num, &st->sample_aspect_ratio.den,
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st->sample_aspect_ratio.num, st->sample_aspect_ratio.den, INT_MAX);
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st->sample_aspect_ratio.num, st->sample_aspect_ratio.den,
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INT_MAX);
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} else if (!strcmp(name, "WIDTH")) {
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st->codec->width = var_read_int(pb, size);
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} else if (!strcmp(name, "ORIENTATION")) {
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if (var_read_int(pb, size) == 1101) {
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st->codec->extradata = av_strdup("BottomUp");
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st->codec->extradata_size = 9;
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st->codec->extradata = av_strdup("BottomUp");
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st->codec->extradata_size = 9;
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}
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} else if (!strcmp(name, "Q_SPATIAL") || !strcmp(name, "Q_TEMPORAL")) {
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var_read_metadata(avctx, name, size);
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} else if (!strcmp(name, "INTERLACING") || !strcmp(name, "PACKING")) {
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avio_skip(pb, size); // ignore
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} else
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return -1;
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return AVERROR_INVALIDDATA;
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return 0;
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}
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static void read_table(AVFormatContext *avctx, AVStream *st, int (*parse)(AVFormatContext *avctx, AVStream *st, const char *name, int size))
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static void read_table(AVFormatContext *avctx, AVStream *st,
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int (*parse)(AVFormatContext *avctx, AVStream *st,
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const char *name, int size))
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{
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int count, i;
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AVIOContext *pb = avctx->pb;
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@ -214,7 +234,7 @@ static void read_table(AVFormatContext *avctx, AVStream *st, int (*parse)(AVForm
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name[sizeof(name) - 1] = 0;
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size = avio_rb32(pb);
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if (parse(avctx, st, name, size) < 0) {
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avpriv_request_sample(avctx, "variable %s", name);
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avpriv_request_sample(avctx, "Variable %s", name);
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avio_skip(pb, size);
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}
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}
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@ -253,7 +273,7 @@ static int mv_read_header(AVFormatContext *avctx)
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avio_skip(pb, 22);
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/* allocate audio track first to prevent unnecessary seeking
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(audio packet always precede video packet for a given frame) */
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* (audio packet always precede video packet for a given frame) */
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ast = avformat_new_stream(avctx, NULL);
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if (!ast)
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return AVERROR(ENOMEM);
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@ -261,9 +281,10 @@ static int mv_read_header(AVFormatContext *avctx)
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vst = avformat_new_stream(avctx, NULL);
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if (!vst)
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return AVERROR(ENOMEM);
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vst->codec->codec_type = AVMEDIA_TYPE_VIDEO;
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avpriv_set_pts_info(vst, 64, 1, 15);
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vst->nb_frames = avio_rb32(pb);
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vst->codec->codec_type = AVMEDIA_TYPE_VIDEO;
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vst->avg_frame_rate = av_inv_q(vst->time_base);
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vst->nb_frames = avio_rb32(pb);
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v = avio_rb32(pb);
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switch (v) {
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case 1:
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@ -274,7 +295,7 @@ static int mv_read_header(AVFormatContext *avctx)
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vst->codec->codec_id = AV_CODEC_ID_RAWVIDEO;
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break;
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default:
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avpriv_request_sample(avctx, "video compression %i", v);
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avpriv_request_sample(avctx, "Video compression %i", v);
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break;
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}
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vst->codec->codec_tag = 0;
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@ -282,9 +303,9 @@ static int mv_read_header(AVFormatContext *avctx)
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vst->codec->height = avio_rb32(pb);
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avio_skip(pb, 12);
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ast->codec->codec_type = AVMEDIA_TYPE_AUDIO;
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ast->nb_frames = vst->nb_frames;
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ast->codec->sample_rate = avio_rb32(pb);
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ast->codec->codec_type = AVMEDIA_TYPE_AUDIO;
|
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ast->nb_frames = vst->nb_frames;
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ast->codec->sample_rate = avio_rb32(pb);
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avpriv_set_pts_info(ast, 33, 1, ast->codec->sample_rate);
|
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if (set_channels(avctx, ast, avio_rb32(pb)) < 0)
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return AVERROR_INVALIDDATA;
|
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@ -293,7 +314,7 @@ static int mv_read_header(AVFormatContext *avctx)
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if (v == AUDIO_FORMAT_SIGNED) {
|
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ast->codec->codec_id = AV_CODEC_ID_PCM_S16BE;
|
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} else {
|
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avpriv_request_sample(avctx, "audio compression (format %i)", v);
|
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avpriv_request_sample(avctx, "Audio compression (format %i)", v);
|
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}
|
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|
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avio_skip(pb, 12);
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@ -307,8 +328,8 @@ static int mv_read_header(AVFormatContext *avctx)
|
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uint32_t asize = avio_rb32(pb);
|
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uint32_t vsize = avio_rb32(pb);
|
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avio_skip(pb, 8);
|
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av_add_index_entry(ast, pos, timestamp, asize, 0, AVINDEX_KEYFRAME);
|
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av_add_index_entry(vst, pos + asize, i, vsize, 0, AVINDEX_KEYFRAME);
|
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av_add_index_entry(ast, pos, timestamp, asize, 0, AVINDEX_KEYFRAME);
|
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av_add_index_entry(vst, pos + asize, i, vsize, 0, AVINDEX_KEYFRAME);
|
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timestamp += asize / (ast->codec->channels * 2);
|
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}
|
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} else if (!version && avio_rb16(pb) == 3) {
|
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@ -317,31 +338,33 @@ static int mv_read_header(AVFormatContext *avctx)
|
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read_table(avctx, NULL, parse_global_var);
|
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|
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if (mv->nb_audio_tracks > 1) {
|
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avpriv_request_sample(avctx, "multiple audio streams support");
|
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avpriv_request_sample(avctx, "Multiple audio streams support");
|
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return AVERROR_PATCHWELCOME;
|
||||
} else if (mv->nb_audio_tracks) {
|
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ast = avformat_new_stream(avctx, NULL);
|
||||
if (!ast)
|
||||
return AVERROR(ENOMEM);
|
||||
ast->codec->codec_type = AVMEDIA_TYPE_AUDIO;
|
||||
/* temporarily store compression value in codec_tag; format value in codec_id */
|
||||
read_table(avctx, ast, parse_audio_var);
|
||||
if (ast->codec->codec_tag == 100 && ast->codec->codec_id == AUDIO_FORMAT_SIGNED && ast->codec->bits_per_coded_sample == 16) {
|
||||
if (mv->acompression == 100 &&
|
||||
mv->aformat == AUDIO_FORMAT_SIGNED &&
|
||||
ast->codec->bits_per_coded_sample == 16) {
|
||||
ast->codec->codec_id = AV_CODEC_ID_PCM_S16BE;
|
||||
} else {
|
||||
avpriv_request_sample(avctx, "audio compression %i (format %i, width %i)",
|
||||
ast->codec->codec_tag, ast->codec->codec_id, ast->codec->bits_per_coded_sample);
|
||||
avpriv_request_sample(avctx,
|
||||
"Audio compression %i (format %i, sr %i)",
|
||||
mv->acompression, mv->aformat,
|
||||
ast->codec->bits_per_coded_sample);
|
||||
ast->codec->codec_id = AV_CODEC_ID_NONE;
|
||||
}
|
||||
ast->codec->codec_tag = 0;
|
||||
if (ast->codec->channels <= 0) {
|
||||
av_log(avctx, AV_LOG_ERROR, "No valid channel count found\n");
|
||||
av_log(avctx, AV_LOG_ERROR, "No valid channel count found.\n");
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
}
|
||||
|
||||
if (mv->nb_video_tracks > 1) {
|
||||
avpriv_request_sample(avctx, "multiple video streams support");
|
||||
avpriv_request_sample(avctx, "Multiple video streams support");
|
||||
return AVERROR_PATCHWELCOME;
|
||||
} else if (mv->nb_video_tracks) {
|
||||
vst = avformat_new_stream(avctx, NULL);
|
||||
@ -357,7 +380,7 @@ static int mv_read_header(AVFormatContext *avctx)
|
||||
if (mv->nb_video_tracks)
|
||||
read_index(pb, vst);
|
||||
} else {
|
||||
avpriv_request_sample(avctx, "version %i", version);
|
||||
avpriv_request_sample(avctx, "Version %i", version);
|
||||
return AVERROR_PATCHWELCOME;
|
||||
}
|
||||
|
||||
@ -374,9 +397,9 @@ static int mv_read_packet(AVFormatContext *avctx, AVPacket *pkt)
|
||||
int ret;
|
||||
uint64_t pos;
|
||||
|
||||
if (frame < st->nb_index_entries) {
|
||||
if (frame < st->nb_index_entries) {
|
||||
index = &st->index_entries[frame];
|
||||
pos = avio_tell(pb);
|
||||
pos = avio_tell(pb);
|
||||
if (index->pos > pos)
|
||||
avio_skip(pb, index->pos - pos);
|
||||
else if (index->pos < pos) {
|
||||
@ -391,8 +414,8 @@ static int mv_read_packet(AVFormatContext *avctx, AVPacket *pkt)
|
||||
return ret;
|
||||
|
||||
pkt->stream_index = mv->stream_index;
|
||||
pkt->pts = index->timestamp;
|
||||
pkt->flags |= AV_PKT_FLAG_KEY;
|
||||
pkt->pts = index->timestamp;
|
||||
pkt->flags |= AV_PKT_FLAG_KEY;
|
||||
|
||||
mv->frame[mv->stream_index]++;
|
||||
mv->eof_count = 0;
|
||||
@ -400,6 +423,9 @@ static int mv_read_packet(AVFormatContext *avctx, AVPacket *pkt)
|
||||
mv->eof_count++;
|
||||
if (mv->eof_count >= avctx->nb_streams)
|
||||
return AVERROR_EOF;
|
||||
|
||||
// avoid returning 0 without a packet
|
||||
return AVERROR(EAGAIN);
|
||||
}
|
||||
|
||||
mv->stream_index++;
|
||||
@ -409,7 +435,8 @@ static int mv_read_packet(AVFormatContext *avctx, AVPacket *pkt)
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int mv_read_seek(AVFormatContext *avctx, int stream_index, int64_t timestamp, int flags)
|
||||
static int mv_read_seek(AVFormatContext *avctx, int stream_index,
|
||||
int64_t timestamp, int flags)
|
||||
{
|
||||
MvContext *mv = avctx->priv_data;
|
||||
AVStream *st = avctx->streams[stream_index];
|
||||
@ -423,7 +450,7 @@ static int mv_read_seek(AVFormatContext *avctx, int stream_index, int64_t timest
|
||||
|
||||
frame = av_index_search_timestamp(st, timestamp, flags);
|
||||
if (frame < 0)
|
||||
return -1;
|
||||
return AVERROR_INVALIDDATA;
|
||||
|
||||
for (i = 0; i < avctx->nb_streams; i++)
|
||||
mv->frame[i] = frame;
|
||||
|
||||
@ -31,7 +31,7 @@
|
||||
|
||||
#define LIBAVFORMAT_VERSION_MAJOR 55
|
||||
#define LIBAVFORMAT_VERSION_MINOR 37
|
||||
#define LIBAVFORMAT_VERSION_MICRO 100
|
||||
#define LIBAVFORMAT_VERSION_MICRO 101
|
||||
|
||||
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
|
||||
LIBAVFORMAT_VERSION_MINOR, \
|
||||
|
||||
Loading…
Reference in New Issue
Block a user