av_freep(&fg->inputs);
for (j = 0; j < fg->nb_outputs; j++) {
av_freep(&fg->outputs[j]->name);
+ av_freep(&fg->outputs[j]->formats);
+ av_freep(&fg->outputs[j]->channel_layouts);
+ av_freep(&fg->outputs[j]->sample_rates);
av_freep(&fg->outputs[j]);
}
av_freep(&fg->outputs);
return 0;
}
+static int send_frame_to_filters(InputStream *ist, AVFrame *decoded_frame)
+{
+ int i, ret;
+ AVFrame *f;
+
+ av_assert1(ist->nb_filters > 0); /* ensure ret is initialized */
+ for (i = 0; i < ist->nb_filters; i++) {
+ if (i < ist->nb_filters - 1) {
+ f = ist->filter_frame;
+ ret = av_frame_ref(f, decoded_frame);
+ if (ret < 0)
+ break;
+ } else
+ f = decoded_frame;
+ ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
+ AV_BUFFERSRC_FLAG_PUSH);
+ if (ret == AVERROR_EOF)
+ ret = 0; /* ignore */
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR,
+ "Failed to inject frame into filter network: %s\n", av_err2str(ret));
+ break;
+ }
+ }
+ return ret;
+}
+
static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
{
- AVFrame *decoded_frame, *f;
+ AVFrame *decoded_frame;
AVCodecContext *avctx = ist->dec_ctx;
int i, ret, err = 0, resample_changed;
AVRational decoded_frame_tb;
(AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
(AVRational){1, avctx->sample_rate});
ist->nb_samples = decoded_frame->nb_samples;
- for (i = 0; i < ist->nb_filters; i++) {
- if (i < ist->nb_filters - 1) {
- f = ist->filter_frame;
- err = av_frame_ref(f, decoded_frame);
- if (err < 0)
- break;
- } else
- f = decoded_frame;
- err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
- AV_BUFFERSRC_FLAG_PUSH);
- if (err == AVERROR_EOF)
- err = 0; /* ignore */
- if (err < 0)
- break;
- }
+ err = send_frame_to_filters(ist, decoded_frame);
decoded_frame->pts = AV_NOPTS_VALUE;
fail:
static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output, int eof)
{
- AVFrame *decoded_frame, *f;
+ AVFrame *decoded_frame;
int i, ret = 0, err = 0, resample_changed;
int64_t best_effort_timestamp;
int64_t dts = AV_NOPTS_VALUE;
- AVRational *frame_sample_aspect;
AVPacket avpkt;
// With fate-indeo3-2, we're getting 0-sized packets before EOF for some
}
}
- frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
- for (i = 0; i < ist->nb_filters; i++) {
- if (!frame_sample_aspect->num)
- *frame_sample_aspect = ist->st->sample_aspect_ratio;
-
- if (i < ist->nb_filters - 1) {
- f = ist->filter_frame;
- err = av_frame_ref(f, decoded_frame);
- if (err < 0)
- break;
- } else
- f = decoded_frame;
- err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
- if (err == AVERROR_EOF) {
- err = 0; /* ignore */
- } else if (err < 0) {
- av_log(NULL, AV_LOG_FATAL,
- "Failed to inject frame into filter network: %s\n", av_err2str(err));
- exit_program(1);
- }
- }
+ err = send_frame_to_filters(ist, decoded_frame);
fail:
av_frame_unref(ist->filter_frame);
static int init_input_stream(int ist_index, char *error, int error_len)
{
- int ret;
+ int i, ret;
InputStream *ist = input_streams[ist_index];
+ for (i = 0; i < ist->nb_filters; i++) {
+ ret = ifilter_parameters_from_decoder(ist->filters[i], ist->dec_ctx);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error initializing filter input\n");
+ return ret;
+ }
+ }
+
if (ist->decoding_needed) {
AVCodec *codec = ist->dec;
if (!codec) {
AVCodecParameters *par_src = ost->ref_par;
AVRational sar;
int i, ret;
- uint64_t extra_size;
+ uint32_t codec_tag = par_dst->codec_tag;
av_assert0(ist && !ost->filter);
}
avcodec_parameters_from_context(par_src, ost->enc_ctx);
- extra_size = (uint64_t)par_src->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE;
-
- if (extra_size > INT_MAX) {
- return AVERROR(EINVAL);
- }
-
- /* if stream_copy is selected, no need to decode or encode */
- par_dst->codec_id = par_src->codec_id;
- par_dst->codec_type = par_src->codec_type;
-
- if (!par_dst->codec_tag) {
- unsigned int codec_tag;
+ if (!codec_tag) {
+ unsigned int codec_tag_tmp;
if (!of->ctx->oformat->codec_tag ||
- av_codec_get_id (of->ctx->oformat->codec_tag, par_src->codec_tag) == par_dst->codec_id ||
- !av_codec_get_tag2(of->ctx->oformat->codec_tag, par_src->codec_id, &codec_tag))
- par_dst->codec_tag = par_src->codec_tag;
+ av_codec_get_id (of->ctx->oformat->codec_tag, par_src->codec_tag) == par_src->codec_id ||
+ !av_codec_get_tag2(of->ctx->oformat->codec_tag, par_src->codec_id, &codec_tag_tmp))
+ codec_tag = par_src->codec_tag;
}
- par_dst->bit_rate = par_src->bit_rate;
- par_dst->field_order = par_src->field_order;
- par_dst->chroma_location = par_src->chroma_location;
+ ret = avcodec_parameters_copy(par_dst, par_src);
+ if (ret < 0)
+ return ret;
- if (par_src->extradata_size) {
- par_dst->extradata = av_mallocz(extra_size);
- if (!par_dst->extradata) {
- return AVERROR(ENOMEM);
- }
- memcpy(par_dst->extradata, par_src->extradata, par_src->extradata_size);
- par_dst->extradata_size = par_src->extradata_size;
- }
- par_dst->bits_per_coded_sample = par_src->bits_per_coded_sample;
- par_dst->bits_per_raw_sample = par_src->bits_per_raw_sample;
+ par_dst->codec_tag = codec_tag;
if (!ost->frame_rate.num)
ost->frame_rate = ist->framerate;
// copy timebase while removing common factors
ost->st->time_base = av_add_q(av_stream_get_codec_timebase(ost->st), (AVRational){0, 1});
+ // copy disposition
+ ost->st->disposition = ist->st->disposition;
+
if (ist->st->nb_side_data) {
ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
sizeof(*ist->st->side_data));
av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
exit_program(1);
}
- par_dst->channel_layout = par_src->channel_layout;
- par_dst->sample_rate = par_src->sample_rate;
- par_dst->channels = par_src->channels;
- par_dst->frame_size = par_src->frame_size;
- par_dst->block_align = par_src->block_align;
- par_dst->initial_padding = par_src->initial_padding;
- par_dst->trailing_padding = par_src->trailing_padding;
- par_dst->profile = par_src->profile;
if((par_dst->block_align == 1 || par_dst->block_align == 1152 || par_dst->block_align == 576) && par_dst->codec_id == AV_CODEC_ID_MP3)
par_dst->block_align= 0;
if(par_dst->codec_id == AV_CODEC_ID_AC3)
par_dst->block_align= 0;
break;
case AVMEDIA_TYPE_VIDEO:
- par_dst->format = par_src->format;
- par_dst->color_space = par_src->color_space;
- par_dst->color_range = par_src->color_range;
- par_dst->color_primaries = par_src->color_primaries;
- par_dst->color_trc = par_src->color_trc;
- par_dst->width = par_src->width;
- par_dst->height = par_src->height;
- par_dst->video_delay = par_src->video_delay;
- par_dst->profile = par_src->profile;
if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
sar =
av_mul_q(ost->frame_aspect_ratio,
ost->st->avg_frame_rate = ist->st->avg_frame_rate;
ost->st->r_frame_rate = ist->st->r_frame_rate;
break;
+ }
+
+ return 0;
+}
+
+static void set_encoder_id(OutputFile *of, OutputStream *ost)
+{
+ AVDictionaryEntry *e;
+
+ uint8_t *encoder_string;
+ int encoder_string_len;
+ int format_flags = 0;
+ int codec_flags = 0;
+
+ if (av_dict_get(ost->st->metadata, "encoder", NULL, 0))
+ return;
+
+ e = av_dict_get(of->opts, "fflags", NULL, 0);
+ if (e) {
+ const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
+ if (!o)
+ return;
+ av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
+ }
+ e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
+ if (e) {
+ const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0);
+ if (!o)
+ return;
+ av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags);
+ }
+
+ encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
+ encoder_string = av_mallocz(encoder_string_len);
+ if (!encoder_string)
+ exit_program(1);
+
+ if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & AV_CODEC_FLAG_BITEXACT))
+ av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
+ else
+ av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
+ av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
+ av_dict_set(&ost->st->metadata, "encoder", encoder_string,
+ AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
+}
+
+static void parse_forced_key_frames(char *kf, OutputStream *ost,
+ AVCodecContext *avctx)
+{
+ char *p;
+ int n = 1, i, size, index = 0;
+ int64_t t, *pts;
+
+ for (p = kf; *p; p++)
+ if (*p == ',')
+ n++;
+ size = n;
+ pts = av_malloc_array(size, sizeof(*pts));
+ if (!pts) {
+ av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
+ exit_program(1);
+ }
+
+ p = kf;
+ for (i = 0; i < n; i++) {
+ char *next = strchr(p, ',');
+
+ if (next)
+ *next++ = 0;
+
+ if (!memcmp(p, "chapters", 8)) {
+
+ AVFormatContext *avf = output_files[ost->file_index]->ctx;
+ int j;
+
+ if (avf->nb_chapters > INT_MAX - size ||
+ !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
+ sizeof(*pts)))) {
+ av_log(NULL, AV_LOG_FATAL,
+ "Could not allocate forced key frames array.\n");
+ exit_program(1);
+ }
+ t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
+ t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
+
+ for (j = 0; j < avf->nb_chapters; j++) {
+ AVChapter *c = avf->chapters[j];
+ av_assert1(index < size);
+ pts[index++] = av_rescale_q(c->start, c->time_base,
+ avctx->time_base) + t;
+ }
+
+ } else {
+
+ t = parse_time_or_die("force_key_frames", p, 1);
+ av_assert1(index < size);
+ pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
+
+ }
+
+ p = next;
+ }
+
+ av_assert0(index == size);
+ qsort(pts, size, sizeof(*pts), compare_int64);
+ ost->forced_kf_count = size;
+ ost->forced_kf_pts = pts;
+}
+
+static int init_output_stream_encode(OutputStream *ost)
+{
+ InputStream *ist = get_input_stream(ost);
+ AVCodecContext *enc_ctx = ost->enc_ctx;
+ AVCodecContext *dec_ctx = NULL;
+ AVFormatContext *oc = output_files[ost->file_index]->ctx;
+ int j, ret;
+
+ set_encoder_id(output_files[ost->file_index], ost);
+
+ if (ist) {
+ ost->st->disposition = ist->st->disposition;
+
+ dec_ctx = ist->dec_ctx;
+
+ enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
+ } else {
+ for (j = 0; j < oc->nb_streams; j++) {
+ AVStream *st = oc->streams[j];
+ if (st != ost->st && st->codecpar->codec_type == ost->st->codecpar->codec_type)
+ break;
+ }
+ if (j == oc->nb_streams)
+ if (ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO ||
+ ost->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
+ ost->st->disposition = AV_DISPOSITION_DEFAULT;
+ }
+
+ if ((enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
+ enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
+ filtergraph_is_simple(ost->filter->graph)) {
+ FilterGraph *fg = ost->filter->graph;
+
+ if (configure_filtergraph(fg)) {
+ av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
+ exit_program(1);
+ }
+ }
+
+ if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
+ if (!ost->frame_rate.num)
+ ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
+ if (ist && !ost->frame_rate.num)
+ ost->frame_rate = ist->framerate;
+ if (ist && !ost->frame_rate.num)
+ ost->frame_rate = ist->st->r_frame_rate;
+ if (ist && !ost->frame_rate.num) {
+ ost->frame_rate = (AVRational){25, 1};
+ av_log(NULL, AV_LOG_WARNING,
+ "No information "
+ "about the input framerate is available. Falling "
+ "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
+ "if you want a different framerate.\n",
+ ost->file_index, ost->index);
+ }
+// ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
+ if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
+ int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
+ ost->frame_rate = ost->enc->supported_framerates[idx];
+ }
+ // reduce frame rate for mpeg4 to be within the spec limits
+ if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
+ av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
+ ost->frame_rate.num, ost->frame_rate.den, 65535);
+ }
+ }
+
+ switch (enc_ctx->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
+ if (dec_ctx)
+ enc_ctx->bits_per_raw_sample = FFMIN(dec_ctx->bits_per_raw_sample,
+ av_get_bytes_per_sample(enc_ctx->sample_fmt) << 3);
+ enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
+ enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
+ enc_ctx->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
+ enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
+ break;
+ case AVMEDIA_TYPE_VIDEO:
+ enc_ctx->time_base = av_inv_q(ost->frame_rate);
+ if (!(enc_ctx->time_base.num && enc_ctx->time_base.den))
+ enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
+ if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
+ && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
+ av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
+ "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
+ }
+ for (j = 0; j < ost->forced_kf_count; j++)
+ ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
+ AV_TIME_BASE_Q,
+ enc_ctx->time_base);
+
+ enc_ctx->width = ost->filter->filter->inputs[0]->w;
+ enc_ctx->height = ost->filter->filter->inputs[0]->h;
+ enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
+ ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
+ av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
+ ost->filter->filter->inputs[0]->sample_aspect_ratio;
+ if (!strncmp(ost->enc->name, "libx264", 7) &&
+ enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
+ ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
+ av_log(NULL, AV_LOG_WARNING,
+ "No pixel format specified, %s for H.264 encoding chosen.\n"
+ "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
+ av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
+ if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
+ enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
+ ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
+ av_log(NULL, AV_LOG_WARNING,
+ "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
+ "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
+ av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
+ enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
+ if (dec_ctx)
+ enc_ctx->bits_per_raw_sample = FFMIN(dec_ctx->bits_per_raw_sample,
+ av_pix_fmt_desc_get(enc_ctx->pix_fmt)->comp[0].depth);
+
+ ost->st->avg_frame_rate = ost->frame_rate;
+
+ if (!dec_ctx ||
+ enc_ctx->width != dec_ctx->width ||
+ enc_ctx->height != dec_ctx->height ||
+ enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
+ enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
+ }
+
+ if (ost->forced_keyframes) {
+ if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
+ ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
+ forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_ERROR,
+ "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
+ return ret;
+ }
+ ost->forced_keyframes_expr_const_values[FKF_N] = 0;
+ ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
+ ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
+ ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
+
+ // Don't parse the 'forced_keyframes' in case of 'keep-source-keyframes',
+ // parse it only for static kf timings
+ } else if(strncmp(ost->forced_keyframes, "source", 6)) {
+ parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
+ }
+ }
+ break;
case AVMEDIA_TYPE_SUBTITLE:
- par_dst->width = par_src->width;
- par_dst->height = par_src->height;
+ enc_ctx->time_base = (AVRational){1, 1000};
+ if (!enc_ctx->width) {
+ enc_ctx->width = input_streams[ost->source_index]->st->codecpar->width;
+ enc_ctx->height = input_streams[ost->source_index]->st->codecpar->height;
+ }
break;
- case AVMEDIA_TYPE_UNKNOWN:
case AVMEDIA_TYPE_DATA:
- case AVMEDIA_TYPE_ATTACHMENT:
break;
default:
abort();
+ break;
}
return 0;
AVCodecContext *dec = NULL;
InputStream *ist;
+ ret = init_output_stream_encode(ost);
+ if (ret < 0)
+ return ret;
+
if ((ist = get_input_stream(ost)))
dec = ist->dec_ctx;
if (dec && dec->subtitle_header) {
return ret;
}
+ // parse user provided disposition, and update stream values
+ if (ost->disposition) {
+ static const AVOption opts[] = {
+ { "disposition" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
+ { "default" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "flags" },
+ { "dub" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "flags" },
+ { "original" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "flags" },
+ { "comment" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "flags" },
+ { "lyrics" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "flags" },
+ { "karaoke" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "flags" },
+ { "forced" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "flags" },
+ { "hearing_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "flags" },
+ { "visual_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "flags" },
+ { "clean_effects" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "flags" },
+ { "captions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "flags" },
+ { "descriptions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "flags" },
+ { "metadata" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "flags" },
+ { NULL },
+ };
+ static const AVClass class = {
+ .class_name = "",
+ .item_name = av_default_item_name,
+ .option = opts,
+ .version = LIBAVUTIL_VERSION_INT,
+ };
+ const AVClass *pclass = &class;
+
+ ret = av_opt_eval_flags(&pclass, &opts[0], ost->disposition, &ost->st->disposition);
+ if (ret < 0)
+ return ret;
+ }
+
/* initialize bitstream filters for the output stream
* needs to be done here, because the codec id for streamcopy is not
* known until now */
return ret;
}
-static void parse_forced_key_frames(char *kf, OutputStream *ost,
- AVCodecContext *avctx)
-{
- char *p;
- int n = 1, i, size, index = 0;
- int64_t t, *pts;
-
- for (p = kf; *p; p++)
- if (*p == ',')
- n++;
- size = n;
- pts = av_malloc_array(size, sizeof(*pts));
- if (!pts) {
- av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
- exit_program(1);
- }
-
- p = kf;
- for (i = 0; i < n; i++) {
- char *next = strchr(p, ',');
-
- if (next)
- *next++ = 0;
-
- if (!memcmp(p, "chapters", 8)) {
-
- AVFormatContext *avf = output_files[ost->file_index]->ctx;
- int j;
-
- if (avf->nb_chapters > INT_MAX - size ||
- !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
- sizeof(*pts)))) {
- av_log(NULL, AV_LOG_FATAL,
- "Could not allocate forced key frames array.\n");
- exit_program(1);
- }
- t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
- t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
-
- for (j = 0; j < avf->nb_chapters; j++) {
- AVChapter *c = avf->chapters[j];
- av_assert1(index < size);
- pts[index++] = av_rescale_q(c->start, c->time_base,
- avctx->time_base) + t;
- }
-
- } else {
-
- t = parse_time_or_die("force_key_frames", p, 1);
- av_assert1(index < size);
- pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
-
- }
-
- p = next;
- }
-
- av_assert0(index == size);
- qsort(pts, size, sizeof(*pts), compare_int64);
- ost->forced_kf_count = size;
- ost->forced_kf_pts = pts;
-}
-
static void report_new_stream(int input_index, AVPacket *pkt)
{
InputFile *file = input_files[input_index];
file->nb_streams_warn = pkt->stream_index + 1;
}
-static void set_encoder_id(OutputFile *of, OutputStream *ost)
-{
- AVDictionaryEntry *e;
-
- uint8_t *encoder_string;
- int encoder_string_len;
- int format_flags = 0;
- int codec_flags = 0;
-
- if (av_dict_get(ost->st->metadata, "encoder", NULL, 0))
- return;
-
- e = av_dict_get(of->opts, "fflags", NULL, 0);
- if (e) {
- const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
- if (!o)
- return;
- av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
- }
- e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
- if (e) {
- const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0);
- if (!o)
- return;
- av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags);
- }
-
- encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
- encoder_string = av_mallocz(encoder_string_len);
- if (!encoder_string)
- exit_program(1);
-
- if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & AV_CODEC_FLAG_BITEXACT))
- av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
- else
- av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
- av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
- av_dict_set(&ost->st->metadata, "encoder", encoder_string,
- AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
-}
-
static int transcode_init(void)
{
int ret = 0, i, j, k;
input_streams[j + ifile->ist_index]->start = av_gettime_relative();
}
- /* for each output stream, we compute the right encoding parameters */
+ /* hwaccel transcoding */
for (i = 0; i < nb_output_streams; i++) {
ost = output_streams[i];
- oc = output_files[ost->file_index]->ctx;
- ist = get_input_stream(ost);
-
- if (ost->attachment_filename)
- continue;
-
- if (ist) {
- ost->st->disposition = ist->st->disposition;
- } else {
- for (j=0; j<oc->nb_streams; j++) {
- AVStream *st = oc->streams[j];
- if (st != ost->st && st->codecpar->codec_type == ost->st->codecpar->codec_type)
- break;
- }
- if (j == oc->nb_streams)
- if (ost->st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO ||
- ost->st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
- ost->st->disposition = AV_DISPOSITION_DEFAULT;
- }
if (!ost->stream_copy) {
- AVCodecContext *enc_ctx = ost->enc_ctx;
- AVCodecContext *dec_ctx = NULL;
-
- set_encoder_id(output_files[ost->file_index], ost);
-
- if (ist) {
- dec_ctx = ist->dec_ctx;
-
- enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
- }
-
#if CONFIG_LIBMFX
if (qsv_transcode_init(ost))
exit_program(1);
if (cuvid_transcode_init(ost))
exit_program(1);
#endif
-
- if ((enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
- enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
- filtergraph_is_simple(ost->filter->graph)) {
- FilterGraph *fg = ost->filter->graph;
-
- if (dec_ctx) {
- ret = ifilter_parameters_from_decoder(fg->inputs[0],
- dec_ctx);
- if (ret < 0) {
- av_log(NULL, AV_LOG_FATAL, "Error initializing filter input\n");
- exit_program(1);
- }
- }
-
- if (configure_filtergraph(fg)) {
- av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
- exit_program(1);
- }
- }
-
- if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
- if (!ost->frame_rate.num)
- ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
- if (ist && !ost->frame_rate.num)
- ost->frame_rate = ist->framerate;
- if (ist && !ost->frame_rate.num)
- ost->frame_rate = ist->st->r_frame_rate;
- if (ist && !ost->frame_rate.num) {
- ost->frame_rate = (AVRational){25, 1};
- av_log(NULL, AV_LOG_WARNING,
- "No information "
- "about the input framerate is available. Falling "
- "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
- "if you want a different framerate.\n",
- ost->file_index, ost->index);
- }
-// ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
- if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
- int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
- ost->frame_rate = ost->enc->supported_framerates[idx];
- }
- // reduce frame rate for mpeg4 to be within the spec limits
- if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
- av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
- ost->frame_rate.num, ost->frame_rate.den, 65535);
- }
- }
-
- switch (enc_ctx->codec_type) {
- case AVMEDIA_TYPE_AUDIO:
- enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
- if (dec_ctx)
- enc_ctx->bits_per_raw_sample = FFMIN(dec_ctx->bits_per_raw_sample,
- av_get_bytes_per_sample(enc_ctx->sample_fmt) << 3);
- enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
- enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
- enc_ctx->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
- enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
- break;
- case AVMEDIA_TYPE_VIDEO:
- enc_ctx->time_base = av_inv_q(ost->frame_rate);
- if (!(enc_ctx->time_base.num && enc_ctx->time_base.den))
- enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
- if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
- && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
- av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
- "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
- }
- for (j = 0; j < ost->forced_kf_count; j++)
- ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
- AV_TIME_BASE_Q,
- enc_ctx->time_base);
-
- enc_ctx->width = ost->filter->filter->inputs[0]->w;
- enc_ctx->height = ost->filter->filter->inputs[0]->h;
- enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
- ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
- av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
- ost->filter->filter->inputs[0]->sample_aspect_ratio;
- if (!strncmp(ost->enc->name, "libx264", 7) &&
- enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
- ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
- av_log(NULL, AV_LOG_WARNING,
- "No pixel format specified, %s for H.264 encoding chosen.\n"
- "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
- av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
- if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
- enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
- ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
- av_log(NULL, AV_LOG_WARNING,
- "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
- "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
- av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
- enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
- if (dec_ctx)
- enc_ctx->bits_per_raw_sample = FFMIN(dec_ctx->bits_per_raw_sample,
- av_pix_fmt_desc_get(enc_ctx->pix_fmt)->comp[0].depth);
-
- ost->st->avg_frame_rate = ost->frame_rate;
-
- if (!dec_ctx ||
- enc_ctx->width != dec_ctx->width ||
- enc_ctx->height != dec_ctx->height ||
- enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
- enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
- }
-
- if (ost->forced_keyframes) {
- if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
- ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
- forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
- if (ret < 0) {
- av_log(NULL, AV_LOG_ERROR,
- "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
- return ret;
- }
- ost->forced_keyframes_expr_const_values[FKF_N] = 0;
- ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
- ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
- ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
-
- // Don't parse the 'forced_keyframes' in case of 'keep-source-keyframes',
- // parse it only for static kf timings
- } else if(strncmp(ost->forced_keyframes, "source", 6)) {
- parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
- }
- }
- break;
- case AVMEDIA_TYPE_SUBTITLE:
- enc_ctx->time_base = (AVRational){1, 1000};
- if (!enc_ctx->width) {
- enc_ctx->width = input_streams[ost->source_index]->st->codecpar->width;
- enc_ctx->height = input_streams[ost->source_index]->st->codecpar->height;
- }
- break;
- case AVMEDIA_TYPE_DATA:
- break;
- default:
- abort();
- break;
- }
- }
-
- if (ost->disposition) {
- static const AVOption opts[] = {
- { "disposition" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
- { "default" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "flags" },
- { "dub" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "flags" },
- { "original" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "flags" },
- { "comment" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "flags" },
- { "lyrics" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "flags" },
- { "karaoke" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "flags" },
- { "forced" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "flags" },
- { "hearing_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "flags" },
- { "visual_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "flags" },
- { "clean_effects" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "flags" },
- { "captions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "flags" },
- { "descriptions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "flags" },
- { "metadata" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "flags" },
- { NULL },
- };
- static const AVClass class = {
- .class_name = "",
- .item_name = av_default_item_name,
- .option = opts,
- .version = LIBAVUTIL_VERSION_INT,
- };
- const AVClass *pclass = &class;
-
- ret = av_opt_eval_flags(&pclass, &opts[0], ost->disposition, &ost->st->disposition);
- if (ret < 0)
- goto dump_format;
}
}
projects / ffmpeg / blobdiff