#include "libavutil/intfloat.h"
#include "libavutil/avassert.h"
#include "libavutil/parseutils.h"
+#include "libavutil/opt.h"
#include "avformat.h"
#include "internal.h"
#include "ffm.h"
av_free(dyn_buf);
}
+static int ffm_write_header_codec_private_ctx(AVIOContext *pb, AVCodecContext *ctx, int type)
+{
+ AVIOContext *tmp;
+ char *buf = NULL;
+ int ret;
+ const AVCodec *enc = ctx->codec ? ctx->codec : avcodec_find_encoder(ctx->codec_id);
+
+ if (!enc)
+ return AVERROR(EINVAL);
+ if (ctx->priv_data && enc->priv_class && enc->priv_data_size) {
+ if ((ret = av_opt_serialize(ctx->priv_data, AV_OPT_FLAG_ENCODING_PARAM | type,
+ AV_OPT_SERIALIZE_SKIP_DEFAULTS, &buf, '=', ',')) < 0)
+ return ret;
+ if (buf && strlen(buf)) {
+ if (avio_open_dyn_buf(&tmp) < 0) {
+ av_free(buf);
+ return AVERROR(ENOMEM);
+ }
+ avio_put_str(tmp, buf);
+ write_header_chunk(pb, tmp, MKBETAG('C', 'P', 'R', 'V'));
+ }
+ av_free(buf);
+ }
+ return 0;
+}
+
+static int ffm_write_header_codec_ctx(AVIOContext *pb, AVCodecContext *ctx, unsigned tag, int type)
+{
+ AVIOContext *tmp;
+ char *buf = NULL;
+ uint8_t *p = NULL;
+ int ret, need_coma = 0;
+
+#define SKIP_DEFAULTS AV_OPT_SERIALIZE_SKIP_DEFAULTS
+#define OPT_FLAGS_EXACT AV_OPT_SERIALIZE_OPT_FLAGS_EXACT
+#define ENC AV_OPT_FLAG_ENCODING_PARAM
+
+ if (avio_open_dyn_buf(&tmp) < 0)
+ return AVERROR(ENOMEM);
+ if ((ret = av_opt_serialize(ctx, ENC | type, SKIP_DEFAULTS, &buf, '=', ',')) < 0)
+ goto fail;
+ if (buf && strlen(buf)) {
+ avio_write(tmp, buf, strlen(buf));
+ av_free(buf);
+ need_coma = 1;
+ }
+ if ((ret = av_opt_serialize(ctx, 0, SKIP_DEFAULTS | OPT_FLAGS_EXACT, &buf, '=', ',')) < 0)
+ goto fail;
+ if (buf && strlen(buf)) {
+ if (need_coma)
+ avio_w8(tmp, ',');
+ avio_write(tmp, buf, strlen(buf));
+ av_free(buf);
+ }
+ avio_w8(tmp, 0);
+ write_header_chunk(pb, tmp, tag);
+ return 0;
+ fail:
+ av_free(buf);
+ avio_close_dyn_buf(tmp, &p);
+ av_free(p);
+ return ret;
+
+#undef SKIP_DEFAULTS
+#undef OPT_FLAGS_EXACT
+#undef ENC
+}
+
+static int ffm_write_recommended_config(AVIOContext *pb, AVCodecContext *ctx, unsigned tag,
+ const char *configuration)
+{
+ int ret;
+ const AVCodec *enc = ctx->codec ? ctx->codec : avcodec_find_encoder(ctx->codec_id);
+ AVIOContext *tmp;
+ AVDictionaryEntry *t = NULL;
+ AVDictionary *all = NULL, *comm = NULL, *prv = NULL;
+ char *buf = NULL;
+
+ if (!enc || !enc->priv_class || !enc->priv_data_size) {
+ /* codec is not known/has no private options, so save everything as common options */
+ if (avio_open_dyn_buf(&tmp) < 0)
+ return AVERROR(ENOMEM);
+ avio_put_str(tmp, configuration);
+ write_header_chunk(pb, tmp, tag);
+ return 0;
+ }
+
+ if ((ret = av_dict_parse_string(&all, configuration, "=", ",", 0)) < 0)
+ return ret;
+
+ while ((t = av_dict_get(all, "", t, AV_DICT_IGNORE_SUFFIX))) {
+ if (av_opt_find((void *)&enc->priv_class, t->key, NULL, 0, AV_OPT_SEARCH_FAKE_OBJ)) {
+ if ((ret = av_dict_set(&prv, t->key, t->value, 0)) < 0)
+ goto fail;
+ } else if ((ret = av_dict_set(&comm, t->key, t->value, 0)) < 0)
+ goto fail;
+ }
+
+ if (comm) {
+ if ((ret = av_dict_get_string(comm, &buf, '=', ',')) < 0 ||
+ (ret = avio_open_dyn_buf(&tmp)) < 0)
+ goto fail;
+ avio_put_str(tmp, buf);
+ av_freep(&buf);
+ write_header_chunk(pb, tmp, tag);
+ }
+ if (prv) {
+ if ((ret = av_dict_get_string(prv, &buf, '=', ',')) < 0 ||
+ (ret = avio_open_dyn_buf(&tmp)) < 0)
+ goto fail;
+ avio_put_str(tmp, buf);
+ write_header_chunk(pb, tmp, MKBETAG('C', 'P', 'R', 'V'));
+ }
+
+ fail:
+ av_free(buf);
+ av_dict_free(&all);
+ av_dict_free(&comm);
+ av_dict_free(&prv);
+ return ret;
+}
+
static int ffm_write_header(AVFormatContext *s)
{
FFMContext *ffm = s->priv_data;
AVStream *st;
AVIOContext *pb = s->pb;
AVCodecContext *codec;
- int bit_rate, i;
+ int bit_rate, i, ret;
if (t = av_dict_get(s->metadata, "creation_time", NULL, 0)) {
- int ret = av_parse_time(&ffm->start_time, t->value, 0);
+ ret = av_parse_time(&ffm->start_time, t->value, 0);
if (ret < 0)
return ret;
}
avio_write(pb, codec->extradata, codec->extradata_size);
}
write_header_chunk(s->pb, pb, MKBETAG('C', 'O', 'M', 'M'));
- if(avio_open_dyn_buf(&pb) < 0)
- return AVERROR(ENOMEM);
/* specific info */
switch(codec->codec_type) {
case AVMEDIA_TYPE_VIDEO:
- avio_wb32(pb, codec->time_base.num);
- avio_wb32(pb, codec->time_base.den);
- avio_wb16(pb, codec->width);
- avio_wb16(pb, codec->height);
- avio_wb16(pb, codec->gop_size);
- avio_wb32(pb, codec->pix_fmt);
- avio_w8(pb, codec->qmin);
- avio_w8(pb, codec->qmax);
- avio_w8(pb, codec->max_qdiff);
- avio_wb16(pb, (int) (codec->qcompress * 10000.0));
- avio_wb16(pb, (int) (codec->qblur * 10000.0));
- avio_wb32(pb, codec->bit_rate_tolerance);
- avio_put_str(pb, codec->rc_eq ? codec->rc_eq : "tex^qComp");
- avio_wb32(pb, codec->rc_max_rate);
- avio_wb32(pb, codec->rc_min_rate);
- avio_wb32(pb, codec->rc_buffer_size);
- avio_wb64(pb, av_double2int(codec->i_quant_factor));
- avio_wb64(pb, av_double2int(codec->b_quant_factor));
- avio_wb64(pb, av_double2int(codec->i_quant_offset));
- avio_wb64(pb, av_double2int(codec->b_quant_offset));
- avio_wb32(pb, codec->dct_algo);
- avio_wb32(pb, codec->strict_std_compliance);
- avio_wb32(pb, codec->max_b_frames);
- avio_wb32(pb, codec->mpeg_quant);
- avio_wb32(pb, codec->intra_dc_precision);
- avio_wb32(pb, codec->me_method);
- avio_wb32(pb, codec->mb_decision);
- avio_wb32(pb, codec->nsse_weight);
- avio_wb32(pb, codec->frame_skip_cmp);
- avio_wb64(pb, av_double2int(codec->rc_buffer_aggressivity));
- avio_wb32(pb, codec->codec_tag);
- avio_w8(pb, codec->thread_count);
- avio_wb32(pb, codec->coder_type);
- avio_wb32(pb, codec->me_cmp);
- avio_wb32(pb, codec->me_subpel_quality);
- avio_wb32(pb, codec->me_range);
- avio_wb32(pb, codec->keyint_min);
- avio_wb32(pb, codec->scenechange_threshold);
- avio_wb32(pb, codec->b_frame_strategy);
- avio_wb64(pb, av_double2int(codec->qcompress));
- avio_wb64(pb, av_double2int(codec->qblur));
- avio_wb32(pb, codec->max_qdiff);
- avio_wb32(pb, codec->refs);
- write_header_chunk(s->pb, pb, MKBETAG('S', 'T', 'V', 'I'));
+ if (st->recommended_encoder_configuration) {
+ av_log(NULL, AV_LOG_DEBUG, "writing recommended configuration: %s\n",
+ st->recommended_encoder_configuration);
+ if ((ret = ffm_write_recommended_config(s->pb, codec, MKBETAG('S', '2', 'V', 'I'),
+ st->recommended_encoder_configuration)) < 0)
+ return ret;
+ } else if ((ret = ffm_write_header_codec_ctx(s->pb, codec, MKBETAG('S', '2', 'V', 'I'), AV_OPT_FLAG_VIDEO_PARAM)) < 0 ||
+ (ret = ffm_write_header_codec_private_ctx(s->pb, codec, AV_OPT_FLAG_VIDEO_PARAM)) < 0)
+ return ret;
break;
case AVMEDIA_TYPE_AUDIO:
- avio_wb32(pb, codec->sample_rate);
- avio_wl16(pb, codec->channels);
- avio_wl16(pb, codec->frame_size);
- write_header_chunk(s->pb, pb, MKBETAG('S', 'T', 'A', 'U'));
+ if (st->recommended_encoder_configuration) {
+ av_log(NULL, AV_LOG_DEBUG, "writing recommended configuration: %s\n",
+ st->recommended_encoder_configuration);
+ if ((ret = ffm_write_recommended_config(s->pb, codec, MKBETAG('S', '2', 'A', 'U'),
+ st->recommended_encoder_configuration)) < 0)
+ return ret;
+ } else if ((ret = ffm_write_header_codec_ctx(s->pb, codec, MKBETAG('S', '2', 'A', 'U'), AV_OPT_FLAG_AUDIO_PARAM)) < 0 ||
+ (ret = ffm_write_header_codec_private_ctx(s->pb, codec, AV_OPT_FLAG_AUDIO_PARAM)) < 0)
+ return ret;
break;
default:
return -1;
repositories / deb_ffmpeg.git / blobdiff