#include "libavformat/avformat.h"
#include "libavdevice/avdevice.h"
#include "libswscale/swscale.h"
+#include "libswresample/swresample.h"
#include "libavutil/opt.h"
#include "libavutil/audioconvert.h"
#include "libavutil/parseutils.h"
#include "libavutil/libm.h"
#include "libavutil/imgutils.h"
#include "libavutil/timestamp.h"
+#include "libavutil/bprint.h"
#include "libavformat/os_support.h"
-#include "libswresample/swresample.h"
#include "libavformat/ffm.h" // not public API
# include "libavfilter/avcodec.h"
# include "libavfilter/avfilter.h"
# include "libavfilter/avfiltergraph.h"
-# include "libavfilter/buffersink.h"
# include "libavfilter/buffersrc.h"
+# include "libavfilter/buffersink.h"
#if HAVE_SYS_RESOURCE_H
#include <sys/types.h>
#define VSYNC_VFR 2
#define VSYNC_DROP 0xff
+#define SINKA
+
const char program_name[] = "ffmpeg";
const int program_birth_year = 2000;
static int debug_ts = 0;
static int current_time;
-static uint8_t *audio_buf;
-static unsigned int allocated_audio_buf_size;
-static uint8_t *async_buf;
-static unsigned int allocated_async_buf_size;
-
#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
typedef struct InputFilter {
/* dts of the last packet read for this stream */
int64_t dts;
- int64_t next_pts; ///< synthetic pts for the next decode frame
- int64_t pts; ///< current pts of the decoded frame
+ int64_t next_pts; /* synthetic pts for the next decode frame */
+ int64_t pts; /* current pts of the decoded frame */
double ts_scale;
int is_start; /* is 1 at the start and after a discontinuity */
int saw_first_ts;
int resample_width;
int resample_pix_fmt;
+ int resample_sample_fmt;
+ int resample_sample_rate;
+ int resample_channels;
+ uint64_t resample_channel_layout;
+
/* a pool of free buffers for decoded data */
FrameBuffer *buffer_pool;
int dr1;
/* decoded data from this stream goes into all those filters
- * currently video only */
+ * currently video and audio only */
InputFilter **filters;
int nb_filters;
} InputStream;
for A/V sync */
struct InputStream *sync_ist; /* input stream to sync against */
int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
+ /* pts of the first frame encoded for this stream, used for limiting
+ * recording time */
+ int64_t first_pts;
AVBitStreamFilterContext *bitstream_filters;
AVCodec *enc;
int64_t max_frames;
- AVFrame *output_frame;
AVFrame *filtered_frame;
/* video only */
int forced_kf_index;
/* audio only */
- int audio_resample;
- int audio_channels_map[SWR_CH_MAX]; ///< list of the channels id to pick from the source stream
- int audio_channels_mapped; ///< number of channels in audio_channels_map
- int resample_sample_fmt;
- int resample_channels;
- uint64_t resample_channel_layout;
- int resample_sample_rate;
- float rematrix_volume;
- AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
- FILE *logfile;
+ int audio_channels_map[SWR_CH_MAX]; /* list of the channels id to pick from the source stream */
+ int audio_channels_mapped; /* number of channels in audio_channels_map */
- SwrContext *swr;
+ FILE *logfile;
OutputFilter *filter;
char *avfilter;
const char *attachment_filename;
int copy_initial_nonkeyframes;
- enum PixelFormat pix_fmts[2];
+ int keep_pix_fmt;
} OutputStream;
int nb_audio_channels;
SpecifierOpt *audio_sample_rate;
int nb_audio_sample_rate;
- SpecifierOpt *rematrix_volume;
- int nb_rematrix_volume;
SpecifierOpt *frame_rates;
int nb_frame_rates;
SpecifierOpt *frame_sizes;
/* output options */
StreamMap *stream_maps;
int nb_stream_maps;
- AudioChannelMap *audio_channel_maps; ///< one info entry per -map_channel
- int nb_audio_channel_maps; ///< number of (valid) -map_channel settings
+ AudioChannelMap *audio_channel_maps; /* one info entry per -map_channel */
+ int nb_audio_channel_maps; /* number of (valid) -map_channel settings */
int metadata_global_manual;
int metadata_streams_manual;
int metadata_chapters_manual;
int nb_filters;
} OptionsContext;
+static void do_video_stats(AVFormatContext *os, OutputStream *ost, int frame_size);
+
#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
{\
int i, ret;\
return target;
}
-static char *choose_pixel_fmts(OutputStream *ost)
+static char *choose_pix_fmts(OutputStream *ost)
{
+ if (ost->keep_pix_fmt) {
+ if (ost->filter)
+ avfilter_graph_set_auto_convert(ost->filter->graph->graph,
+ AVFILTER_AUTO_CONVERT_NONE);
+ if (ost->st->codec->pix_fmt == PIX_FMT_NONE)
+ return NULL;
+ return av_strdup(av_get_pix_fmt_name(ost->st->codec->pix_fmt));
+ }
if (ost->st->codec->pix_fmt != PIX_FMT_NONE) {
return av_strdup(av_get_pix_fmt_name(choose_pixel_fmt(ost->st, ost->enc, ost->st->codec->pix_fmt)));
- } else if (ost->enc->pix_fmts) {
+ } else if (ost->enc && ost->enc->pix_fmts) {
const enum PixelFormat *p;
AVIOContext *s = NULL;
uint8_t *ret;
}
}
- for (; *p != PIX_FMT_NONE; p++)
- avio_printf(s, "%s:", av_get_pix_fmt_name(*p));
+ for (; *p != PIX_FMT_NONE; p++) {
+ const char *name = av_get_pix_fmt_name(*p);
+ avio_printf(s, "%s:", name);
+ }
len = avio_close_dyn_buf(s, &ret);
ret[len - 1] = 0;
return ret;
return NULL;
}
-static int configure_video_filters(FilterGraph *fg)
+/**
+ * Define a function for building a string containing a list of
+ * allowed formats,
+ */
+#define DEF_CHOOSE_FORMAT(type, var, supported_list, none, get_name, separator) \
+static char *choose_ ## var ## s(OutputStream *ost) \
+{ \
+ if (ost->st->codec->var != none) { \
+ get_name(ost->st->codec->var); \
+ return av_strdup(name); \
+ } else if (ost->enc->supported_list) { \
+ const type *p; \
+ AVIOContext *s = NULL; \
+ uint8_t *ret; \
+ int len; \
+ \
+ if (avio_open_dyn_buf(&s) < 0) \
+ exit_program(1); \
+ \
+ for (p = ost->enc->supported_list; *p != none; p++) { \
+ get_name(*p); \
+ avio_printf(s, "%s" separator, name); \
+ } \
+ len = avio_close_dyn_buf(s, &ret); \
+ ret[len - 1] = 0; \
+ return ret; \
+ } else \
+ return NULL; \
+}
+
+#define GET_PIX_FMT_NAME(pix_fmt)\
+ const char *name = av_get_pix_fmt_name(pix_fmt);
+
+// DEF_CHOOSE_FORMAT(enum PixelFormat, pix_fmt, pix_fmts, PIX_FMT_NONE,
+// GET_PIX_FMT_NAME, ":")
+
+#define GET_SAMPLE_FMT_NAME(sample_fmt)\
+ const char *name = av_get_sample_fmt_name(sample_fmt)
+
+DEF_CHOOSE_FORMAT(enum AVSampleFormat, sample_fmt, sample_fmts,
+ AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME, ",")
+
+#define GET_SAMPLE_RATE_NAME(rate)\
+ char name[16];\
+ snprintf(name, sizeof(name), "%d", rate);
+
+DEF_CHOOSE_FORMAT(int, sample_rate, supported_samplerates, 0,
+ GET_SAMPLE_RATE_NAME, ",")
+
+#define GET_CH_LAYOUT_NAME(ch_layout)\
+ char name[16];\
+ snprintf(name, sizeof(name), "0x%"PRIx64, ch_layout);
+
+DEF_CHOOSE_FORMAT(uint64_t, channel_layout, channel_layouts, 0,
+ GET_CH_LAYOUT_NAME, ",")
+
+static int configure_audio_filters(FilterGraph *fg, AVFilterContext **in_filter,
+ AVFilterContext **out_filter)
{
InputStream *ist = fg->inputs[0]->ist;
OutputStream *ost = fg->outputs[0]->ost;
- AVFilterContext *in_filter, *out_filter, *filter;
+ AVCodecContext *codec = ost->st->codec;
+ AVCodecContext *icodec = ist->st->codec;
+ char *sample_fmts, *sample_rates, *channel_layouts;
+ char args[256];
+ int ret;
+
+ avfilter_graph_free(&fg->graph);
+ if (!(fg->graph = avfilter_graph_alloc()))
+ return AVERROR(ENOMEM);
+
+ snprintf(args, sizeof(args), "time_base=%d/%d:sample_rate=%d:sample_fmt=%s:"
+ "channel_layout=0x%"PRIx64, ist->st->time_base.num,
+ ist->st->time_base.den, icodec->sample_rate,
+ av_get_sample_fmt_name(icodec->sample_fmt), icodec->channel_layout);
+ ret = avfilter_graph_create_filter(&fg->inputs[0]->filter,
+ avfilter_get_by_name("abuffer"),
+ "src", args, NULL, fg->graph);
+ if (ret < 0)
+ return ret;
+
+ ret = avfilter_graph_create_filter(&fg->outputs[0]->filter,
+ avfilter_get_by_name("abuffersink_old"),
+ "out", NULL, NULL, fg->graph);
+ if (ret < 0)
+ return ret;
+
+ *in_filter = fg->inputs[0]->filter;
+ *out_filter = fg->outputs[0]->filter;
+
+ if (codec->channels && !codec->channel_layout)
+ codec->channel_layout = av_get_default_channel_layout(codec->channels);
+
+ sample_fmts = choose_sample_fmts(ost);
+ sample_rates = choose_sample_rates(ost);
+ channel_layouts = choose_channel_layouts(ost);
+ if (sample_fmts || sample_rates || channel_layouts) {
+ AVFilterContext *format;
+ char args[256];
+ int len = 0;
+
+ if (sample_fmts)
+ len += snprintf(args + len, sizeof(args) - len, "sample_fmts=%s:",
+ sample_fmts);
+ if (sample_rates)
+ len += snprintf(args + len, sizeof(args) - len, "sample_rates=%s:",
+ sample_rates);
+ if (channel_layouts)
+ len += snprintf(args + len, sizeof(args) - len, "channel_layouts=%s:",
+ channel_layouts);
+ args[len - 1] = 0;
+
+ av_freep(&sample_fmts);
+ av_freep(&sample_rates);
+ av_freep(&channel_layouts);
+
+ ret = avfilter_graph_create_filter(&format,
+ avfilter_get_by_name("aformat"),
+ "aformat", args, NULL, fg->graph);
+ if (ret < 0)
+ return ret;
+
+ ret = avfilter_link(format, 0, fg->outputs[0]->filter, 0);
+ if (ret < 0)
+ return ret;
+
+ *out_filter = format;
+ }
+
+ if (audio_sync_method > 0) {
+ AVFilterContext *aswr;
+ char args[256] = {0};
+
+ av_strlcatf(args, sizeof(args), "min_comp=0.001:min_hard_comp=%f", audio_drift_threshold);
+
+ if (audio_sync_method > 1)
+ av_strlcatf(args, sizeof(args), ":max_soft_comp=%f", audio_sync_method/(double)icodec->sample_rate);
+
+ av_log(NULL, AV_LOG_INFO, "-async %d is forwarded to lavfi similarly to -af aresample=%s\n", audio_sync_method, args);
+
+ ret = avfilter_graph_create_filter(&aswr, avfilter_get_by_name("aresample"),
+ "aresample", args, NULL, fg->graph);
+ if (ret < 0)
+ return ret;
+
+ ret = avfilter_link(*in_filter, 0, aswr, 0);
+ if (ret < 0)
+ return ret;
+
+ *in_filter = aswr;
+ }
+
+#define AUTO_INSERT_FILTER(opt_name, filter_name, arg) do { \
+ AVFilterContext *filt_ctx; \
+ \
+ av_log(NULL, AV_LOG_INFO, opt_name " is forwarded to lavfi " \
+ "similarly to -af " filter_name "=%s.\n", arg); \
+ \
+ ret = avfilter_graph_create_filter(&filt_ctx, \
+ avfilter_get_by_name(filter_name), \
+ filter_name, arg, NULL, fg->graph); \
+ if (ret < 0) \
+ return ret; \
+ \
+ ret = avfilter_link(*in_filter, 0, filt_ctx, 0); \
+ if (ret < 0) \
+ return ret; \
+ \
+ *in_filter = filt_ctx; \
+} while (0)
+
+ if (ost->audio_channels_mapped) {
+ int i;
+ AVBPrint pan_buf;
+
+ av_bprint_init(&pan_buf, 256, 8192);
+ av_bprintf(&pan_buf, "0x%"PRIx64,
+ av_get_default_channel_layout(ost->audio_channels_mapped));
+ for (i = 0; i < ost->audio_channels_mapped; i++)
+ if (ost->audio_channels_map[i] != -1)
+ av_bprintf(&pan_buf, ":c%d=c%d", i, ost->audio_channels_map[i]);
+
+ AUTO_INSERT_FILTER("-map_channel", "pan", pan_buf.str);
+ av_bprint_finalize(&pan_buf, NULL);
+ }
+
+ if (audio_volume != 256) {
+ char args[256];
+
+ snprintf(args, sizeof(args), "%lf", audio_volume / 256.);
+ AUTO_INSERT_FILTER("-vol", "volume", args);
+ }
+
+ return 0;
+}
+
+static int configure_video_filters(FilterGraph *fg, AVFilterContext **in_filter,
+ AVFilterContext **out_filter)
+{
+ InputStream *ist = fg->inputs[0]->ist;
+ OutputStream *ost = fg->outputs[0]->ost;
+ AVFilterContext *filter;
AVCodecContext *codec = ost->st->codec;
AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
char *pix_fmts;
char args[255];
int ret;
- avfilter_graph_free(&fg->graph);
- fg->graph = avfilter_graph_alloc();
- if (!fg->graph)
- return AVERROR(ENOMEM);
-
if (ist->st->sample_aspect_ratio.num) {
sample_aspect_ratio = ist->st->sample_aspect_ratio;
} else
sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d:flags=%d", ist->st->codec->width,
- ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
- sample_aspect_ratio.num, sample_aspect_ratio.den, SWS_BILINEAR + ((ist->st->codec->flags&CODEC_FLAG_BITEXACT) ? SWS_BITEXACT:0));
+ ist->st->codec->height, ist->st->codec->pix_fmt,
+ ist->st->time_base.num, ist->st->time_base.den,
+ sample_aspect_ratio.num, sample_aspect_ratio.den,
+ SWS_BILINEAR + ((ist->st->codec->flags&CODEC_FLAG_BITEXACT) ? SWS_BITEXACT:0));
ret = avfilter_graph_create_filter(&fg->inputs[0]->filter,
avfilter_get_by_name("buffer"),
if (ret < 0)
return ret;
- in_filter = fg->inputs[0]->filter;
- out_filter = fg->outputs[0]->filter;
+ *in_filter = fg->inputs[0]->filter;
+ *out_filter = fg->outputs[0]->filter;
if (codec->width || codec->height) {
snprintf(args, 255, "%d:%d:flags=0x%X",
if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
NULL, args, NULL, fg->graph)) < 0)
return ret;
- if ((ret = avfilter_link(in_filter, 0, filter, 0)) < 0)
+ if ((ret = avfilter_link(*in_filter, 0, filter, 0)) < 0)
return ret;
- in_filter = filter;
+ *in_filter = filter;
}
- if ((pix_fmts = choose_pixel_fmts(ost))) {
+ if ((pix_fmts = choose_pix_fmts(ost))) {
if ((ret = avfilter_graph_create_filter(&filter,
avfilter_get_by_name("format"),
"format", pix_fmts, NULL,
fg->graph)) < 0)
return ret;
- if ((ret = avfilter_link(filter, 0, out_filter, 0)) < 0)
+ if ((ret = avfilter_link(filter, 0, *out_filter, 0)) < 0)
return ret;
- out_filter = filter;
+ *out_filter = filter;
av_freep(&pix_fmts);
}
snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
fg->graph->scale_sws_opts = av_strdup(args);
+ return 0;
+}
+
+static int configure_simple_filtergraph(FilterGraph *fg)
+{
+ OutputStream *ost = fg->outputs[0]->ost;
+ AVFilterContext *in_filter, *out_filter;
+ int ret;
+
+ avfilter_graph_free(&fg->graph);
+ fg->graph = avfilter_graph_alloc();
+ if (!fg->graph)
+ return AVERROR(ENOMEM);
+
+ switch (ost->st->codec->codec_type) {
+ case AVMEDIA_TYPE_VIDEO:
+ ret = configure_video_filters(fg, &in_filter, &out_filter);
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ ret = configure_audio_filters(fg, &in_filter, &out_filter);
+ break;
+ default: av_assert0(0);
+ }
+ if (ret < 0)
+ return ret;
+
if (ost->avfilter) {
AVFilterInOut *outputs = avfilter_inout_alloc();
AVFilterInOut *inputs = avfilter_inout_alloc();
return ret;
}
+ if (ost->keep_pix_fmt)
+ avfilter_graph_set_auto_convert(fg->graph,
+ AVFILTER_AUTO_CONVERT_NONE);
+
if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0)
return ret;
int i;
// TODO: support other filter types
- if (type != AVMEDIA_TYPE_VIDEO) {
- av_log(NULL, AV_LOG_FATAL, "Only video filters supported currently.\n");
+ if (type != AVMEDIA_TYPE_VIDEO && type != AVMEDIA_TYPE_AUDIO) {
+ av_log(NULL, AV_LOG_FATAL, "Only video and audio filters supported "
+ "currently.\n");
exit_program(1);
}
ist->filters[ist->nb_filters - 1] = fg->inputs[fg->nb_inputs - 1];
}
-static int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
+static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
{
char *pix_fmts;
AVCodecContext *codec = ofilter->ost->st->codec;
pad_idx = 0;
}
- if ((pix_fmts = choose_pixel_fmts(ofilter->ost))) {
+ if ((pix_fmts = choose_pix_fmts(ofilter->ost))) {
AVFilterContext *filter;
if ((ret = avfilter_graph_create_filter(&filter,
avfilter_get_by_name("format"),
return 0;
}
+static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
+{
+ OutputStream *ost = ofilter->ost;
+ AVCodecContext *codec = ost->st->codec;
+ AVFilterContext *last_filter = out->filter_ctx;
+ int pad_idx = out->pad_idx;
+ char *sample_fmts, *sample_rates, *channel_layouts;
+ int ret;
+
+ ret = avfilter_graph_create_filter(&ofilter->filter,
+ avfilter_get_by_name("abuffersink"),
+ "out", NULL, NULL, fg->graph);
+ if (ret < 0)
+ return ret;
+
+ if (codec->channels && !codec->channel_layout)
+ codec->channel_layout = av_get_default_channel_layout(codec->channels);
+
+ sample_fmts = choose_sample_fmts(ost);
+ sample_rates = choose_sample_rates(ost);
+ channel_layouts = choose_channel_layouts(ost);
+ if (sample_fmts || sample_rates || channel_layouts) {
+ AVFilterContext *format;
+ char args[256];
+ int len = 0;
+
+ if (sample_fmts)
+ len += snprintf(args + len, sizeof(args) - len, "sample_fmts=%s:",
+ sample_fmts);
+ if (sample_rates)
+ len += snprintf(args + len, sizeof(args) - len, "sample_rates=%s:",
+ sample_rates);
+ if (channel_layouts)
+ len += snprintf(args + len, sizeof(args) - len, "channel_layouts=%s:",
+ channel_layouts);
+ args[len - 1] = 0;
+
+ av_freep(&sample_fmts);
+ av_freep(&sample_rates);
+ av_freep(&channel_layouts);
+
+ ret = avfilter_graph_create_filter(&format,
+ avfilter_get_by_name("aformat"),
+ "aformat", args, NULL, fg->graph);
+ if (ret < 0)
+ return ret;
+
+ ret = avfilter_link(last_filter, pad_idx, format, 0);
+ if (ret < 0)
+ return ret;
+
+ last_filter = format;
+ pad_idx = 0;
+ }
+
+ if (audio_sync_method > 0) {
+ AVFilterContext *async;
+ char args[256];
+ int len = 0;
+
+ av_log(NULL, AV_LOG_WARNING, "-async has been deprecated. Used the "
+ "asyncts audio filter instead.\n");
+
+ if (audio_sync_method > 1)
+ len += snprintf(args + len, sizeof(args) - len, "compensate=1:"
+ "max_comp=%d:", audio_sync_method);
+ snprintf(args + len, sizeof(args) - len, "min_delta=%f",
+ audio_drift_threshold);
+
+ ret = avfilter_graph_create_filter(&async,
+ avfilter_get_by_name("asyncts"),
+ "async", args, NULL, fg->graph);
+ if (ret < 0)
+ return ret;
+
+ ret = avfilter_link(last_filter, pad_idx, async, 0);
+ if (ret < 0)
+ return ret;
+
+ last_filter = async;
+ pad_idx = 0;
+ }
+
+ if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
+ return ret;
+
+ return 0;
+}
+
+static int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
+{
+ switch (out->filter_ctx->output_pads[out->pad_idx].type) {
+ case AVMEDIA_TYPE_VIDEO: return configure_output_video_filter(fg, ofilter, out);
+ case AVMEDIA_TYPE_AUDIO: return configure_output_audio_filter(fg, ofilter, out);
+ default: av_assert0(0);
+ }
+}
+
static int configure_complex_filter(FilterGraph *fg)
{
AVFilterInOut *inputs, *outputs, *cur;
InputFilter *ifilter = fg->inputs[i];
InputStream *ist = ifilter->ist;
AVRational sar;
+ AVFilter *filter;
char args[255];
- sar = ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
- ist->st->codec->sample_aspect_ratio;
- snprintf(args, sizeof(args), "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
- ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
- sar.num, sar.den);
+ switch (cur->filter_ctx->input_pads[cur->pad_idx].type) {
+ case AVMEDIA_TYPE_VIDEO:
+ sar = ist->st->sample_aspect_ratio.num ?
+ ist->st->sample_aspect_ratio :
+ ist->st->codec->sample_aspect_ratio;
+ snprintf(args, sizeof(args), "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
+ ist->st->codec->height, ist->st->codec->pix_fmt,
+ ist->st->time_base.num, ist->st->time_base.den,
+ sar.num, sar.den);
+ filter = avfilter_get_by_name("buffer");
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ snprintf(args, sizeof(args), "time_base=%d/%d:sample_rate=%d:"
+ "sample_fmt=%s:channel_layout=0x%"PRIx64,
+ ist->st->time_base.num, ist->st->time_base.den,
+ ist->st->codec->sample_rate,
+ av_get_sample_fmt_name(ist->st->codec->sample_fmt),
+ ist->st->codec->channel_layout);
+ filter = avfilter_get_by_name("abuffer");
+ break;
+ default:
+ av_assert0(0);
+ }
if ((ret = avfilter_graph_create_filter(&ifilter->filter,
- avfilter_get_by_name("buffer"), cur->name,
+ filter, cur->name,
args, NULL, fg->graph)) < 0)
return ret;
if ((ret = avfilter_link(ifilter->filter, 0,
static int configure_filtergraph(FilterGraph *fg)
{
- return fg->graph_desc ? configure_complex_filter(fg) : configure_video_filters(fg);
+ return fg->graph_desc ? configure_complex_filter(fg) :
+ configure_simple_filtergraph(fg);
}
static int ist_in_filtergraph(FilterGraph *fg, InputStream *ist)
}
output_streams[i]->bitstream_filters = NULL;
- if (output_streams[i]->output_frame) {
- AVFrame *frame = output_streams[i]->output_frame;
- if (frame->extended_data != frame->data)
- av_freep(&frame->extended_data);
- av_freep(&frame);
- }
av_freep(&output_streams[i]->filtered_frame);
av_freep(&output_streams[i]);
}
av_freep(&output_files);
uninit_opts();
- av_freep(&audio_buf);
- allocated_audio_buf_size = 0;
- av_freep(&async_buf);
- allocated_async_buf_size = 0;
avfilter_uninit();
avformat_network_deinit();
exit (255);
}
- exit(ret); /* not all OS-es handle main() return value */
+ exit(ret);
}
static void assert_avoptions(AVDictionary *m)
}
}
-static void choose_sample_rate(AVStream *st, AVCodec *codec)
-{
- if (codec && codec->supported_samplerates) {
- const int *p = codec->supported_samplerates;
- int best = 0;
- int best_dist = INT_MAX;
- for (; *p; p++) {
- int dist = abs(st->codec->sample_rate - *p);
- if (dist < best_dist) {
- best_dist = dist;
- best = *p;
- }
- }
- if (best_dist) {
- int i;
- const int *sample_rates = codec->supported_samplerates;
- av_log(st->codec, AV_LOG_WARNING,
- "Requested sampling rate (%dHz) unsupported, using %dHz instead\n"
- "Available sampling rates for %s:",
- st->codec->sample_rate, best, codec->name);
- for (i = 0; sample_rates[i]; i++) {
- if (!sample_rates[i + 1]) av_log(st->codec, AV_LOG_WARNING, " and");
- else if (i) av_log(st->codec, AV_LOG_WARNING, ",");
- av_log(st->codec, AV_LOG_WARNING, " %d", sample_rates[i]);
- }
- av_log(st->codec, AV_LOG_WARNING, ".\n");
- }
- st->codec->sample_rate = best;
- }
-}
-
-static double
-get_sync_ipts(const OutputStream *ost, int64_t pts)
-{
- OutputFile *of = output_files[ost->file_index];
- return (double)(pts - of->start_time) / AV_TIME_BASE;
-}
-
static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
{
AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
(avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
pkt->pts = pkt->dts = AV_NOPTS_VALUE;
+ if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
+ int64_t max = ost->st->cur_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
+ if (ost->st->cur_dts && ost->st->cur_dts != AV_NOPTS_VALUE && max > pkt->dts) {
+ av_log(s, max - pkt->dts > 2 ? AV_LOG_WARNING : AV_LOG_DEBUG, "Audio timestamp %"PRId64" < %"PRId64" invalid, cliping\n", pkt->dts, max);
+ pkt->pts = pkt->dts = max;
+ }
+ }
+
/*
* Audio encoders may split the packets -- #frames in != #packets out.
* But there is no reordering, so we can limit the number of output packets
}
}
-static void get_default_channel_layouts(OutputStream *ost, InputStream *ist)
+static int check_recording_time(OutputStream *ost)
{
- char layout_name[256];
- AVCodecContext *enc = ost->st->codec;
- AVCodecContext *dec = ist->st->codec;
-
- if (dec->channel_layout &&
- av_get_channel_layout_nb_channels(dec->channel_layout) != dec->channels) {
- av_get_channel_layout_string(layout_name, sizeof(layout_name),
- dec->channels, dec->channel_layout);
- av_log(NULL, AV_LOG_ERROR, "New channel layout (%s) is invalid\n",
- layout_name);
- dec->channel_layout = 0;
- }
- if (!dec->channel_layout) {
- if (enc->channel_layout && dec->channels == enc->channels) {
- dec->channel_layout = enc->channel_layout;
- } else {
- dec->channel_layout = av_get_default_channel_layout(dec->channels);
+ OutputFile *of = output_files[ost->file_index];
- if (!dec->channel_layout) {
- av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
- "layout for Input Stream #%d.%d\n", ist->file_index,
- ist->st->index);
- exit_program(1);
- }
- }
- av_get_channel_layout_string(layout_name, sizeof(layout_name),
- dec->channels, dec->channel_layout);
- av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
- "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
- }
- if (!enc->channel_layout) {
- if (dec->channels == enc->channels) {
- enc->channel_layout = dec->channel_layout;
- return;
- } else {
- enc->channel_layout = av_get_default_channel_layout(enc->channels);
- }
- if (!enc->channel_layout) {
- av_log(NULL, AV_LOG_FATAL, "Unable to find default channel layout "
- "for Output Stream #%d.%d\n", ost->file_index,
- ost->st->index);
- exit_program(1);
- }
- av_get_channel_layout_string(layout_name, sizeof(layout_name),
- enc->channels, enc->channel_layout);
- av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Output Stream "
- "#%d.%d : %s\n", ost->file_index, ost->st->index, layout_name);
+ if (of->recording_time != INT64_MAX &&
+ av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
+ AV_TIME_BASE_Q) >= 0) {
+ ost->is_past_recording_time = 1;
+ return 0;
}
+ return 1;
}
-static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
-{
- int fill_char = 0x00;
- if (sample_fmt == AV_SAMPLE_FMT_U8)
- fill_char = 0x80;
- memset(buf, fill_char, size);
-}
-
-static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
- const uint8_t *buf, int buf_size)
+static void do_audio_out(AVFormatContext *s, OutputStream *ost,
+ AVFrame *frame)
{
AVCodecContext *enc = ost->st->codec;
- AVFrame *frame = NULL;
AVPacket pkt;
- int ret, got_packet;
+ int got_packet = 0;
av_init_packet(&pkt);
pkt.data = NULL;
pkt.size = 0;
-
- if (buf && buf_size) {
- if (!ost->output_frame) {
- ost->output_frame = avcodec_alloc_frame();
- if (!ost->output_frame) {
- av_log(NULL, AV_LOG_FATAL, "out-of-memory in encode_audio_frame()\n");
- exit_program(1);
- }
- }
- frame = ost->output_frame;
- if (frame->extended_data != frame->data)
- av_freep(&frame->extended_data);
- avcodec_get_frame_defaults(frame);
-
- frame->nb_samples = buf_size /
- (enc->channels * av_get_bytes_per_sample(enc->sample_fmt));
- if ((ret = avcodec_fill_audio_frame(frame, enc->channels, enc->sample_fmt,
- buf, buf_size, 1)) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_fill_audio_frame)\n");
- exit_program(1);
- }
-
+#if 0
+ if (!check_recording_time(ost))
+ return;
+#endif
+ if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
frame->pts = ost->sync_opts;
- ost->sync_opts += frame->nb_samples;
- }
+ ost->sync_opts = frame->pts + frame->nb_samples;
- got_packet = 0;
+ av_assert0(pkt.size || !pkt.data);
update_benchmark(NULL);
if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
}
update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
- ret = pkt.size;
-
if (got_packet) {
if (pkt.pts != AV_NOPTS_VALUE)
pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
- if (pkt.dts != AV_NOPTS_VALUE) {
- int64_t max = ost->st->cur_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
+ if (pkt.dts != AV_NOPTS_VALUE)
pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
- if (ost->st->cur_dts && ost->st->cur_dts != AV_NOPTS_VALUE && max > pkt.dts) {
- av_log(s, max - pkt.dts > 2 ? AV_LOG_WARNING : AV_LOG_DEBUG, "Audio timestamp %"PRId64" < %"PRId64" invalid, cliping\n", pkt.dts, max);
- pkt.pts = pkt.dts = max;
- }
- }
if (pkt.duration > 0)
pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
- write_frame(s, &pkt, ost);
-
- audio_size += pkt.size;
-
- av_free_packet(&pkt);
- }
-
- if (debug_ts) {
- av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
- "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
- av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
- av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
- }
-
- return ret;
-}
-
-static int alloc_audio_output_buf(AVCodecContext *dec, AVCodecContext *enc,
- int nb_samples, int *buf_linesize)
-{
- int64_t audio_buf_samples;
- int audio_buf_size;
-
- /* calculate required number of samples to allocate */
- audio_buf_samples = ((int64_t)nb_samples * enc->sample_rate + dec->sample_rate) /
- dec->sample_rate;
- audio_buf_samples = 4 * audio_buf_samples + 10000; // safety factors for resampling
- audio_buf_samples = FFMAX(audio_buf_samples, enc->frame_size);
- if (audio_buf_samples > INT_MAX)
- return AVERROR(EINVAL);
-
- audio_buf_size = av_samples_get_buffer_size(buf_linesize, enc->channels,
- audio_buf_samples,
- enc->sample_fmt, 0);
- if (audio_buf_size < 0)
- return audio_buf_size;
-
- av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
- if (!audio_buf)
- return AVERROR(ENOMEM);
-
- return 0;
-}
-
-static void do_audio_out(AVFormatContext *s, OutputStream *ost,
- InputStream *ist, AVFrame *decoded_frame)
-{
- uint8_t *buftmp;
- int64_t size_out;
-
- int frame_bytes, resample_changed;
- AVCodecContext *enc = ost->st->codec;
- AVCodecContext *dec = ist->st->codec;
- int osize = av_get_bytes_per_sample(enc->sample_fmt);
- int isize = av_get_bytes_per_sample(dec->sample_fmt);
- uint8_t *buf[AV_NUM_DATA_POINTERS];
- int size = decoded_frame->nb_samples * dec->channels * isize;
- int planes = av_sample_fmt_is_planar(dec->sample_fmt) ? dec->channels : 1;
- int i;
- int out_linesize = 0;
-
- av_assert0(planes <= AV_NUM_DATA_POINTERS);
-
- for(i=0; i<planes; i++)
- buf[i]= decoded_frame->data[i];
-
-
- get_default_channel_layouts(ost, ist);
-
- if (alloc_audio_output_buf(dec, enc, decoded_frame->nb_samples, &out_linesize) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Error allocating audio buffer\n");
- exit_program(1);
- }
-
- if (audio_sync_method > 1 ||
- enc->channels != dec->channels ||
- enc->channel_layout != dec->channel_layout ||
- enc->sample_rate != dec->sample_rate ||
- dec->sample_fmt != enc->sample_fmt)
- ost->audio_resample = 1;
-
- resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
- ost->resample_channels != dec->channels ||
- ost->resample_channel_layout != dec->channel_layout ||
- ost->resample_sample_rate != dec->sample_rate;
-
- if ((ost->audio_resample && !ost->swr) || resample_changed || ost->audio_channels_mapped) {
-
- if (resample_changed) {
- av_log(NULL, AV_LOG_INFO, "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d chl:0x%"PRIx64" to rate:%d fmt:%s ch:%d chl:0x%"PRIx64"\n",
- ist->file_index, ist->st->index,
- ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt),
- ost->resample_channels, ost->resample_channel_layout,
- dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt),
- dec->channels, dec->channel_layout);
- ost->resample_sample_fmt = dec->sample_fmt;
- ost->resample_channels = dec->channels;
- ost->resample_channel_layout = dec->channel_layout;
- ost->resample_sample_rate = dec->sample_rate;
- swr_free(&ost->swr);
- }
- /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
- if (audio_sync_method <= 1 && !ost->audio_channels_mapped &&
- ost->resample_sample_fmt == enc->sample_fmt &&
- ost->resample_channels == enc->channels &&
- ost->resample_channel_layout == enc->channel_layout &&
- ost->resample_sample_rate == enc->sample_rate) {
- //ost->swr = NULL;
- ost->audio_resample = 0;
- } else {
- ost->swr = swr_alloc_set_opts(ost->swr,
- enc->channel_layout, enc->sample_fmt, enc->sample_rate,
- dec->channel_layout, dec->sample_fmt, dec->sample_rate,
- 0, NULL);
- av_opt_set_int(ost->swr, "dither_method", ost->swr_dither_method,0);
- av_opt_set_double(ost->swr, "dither_scale", ost->swr_dither_scale,0);
- if (ost->audio_channels_mapped)
- swr_set_channel_mapping(ost->swr, ost->audio_channels_map);
- av_opt_set_double(ost->swr, "rmvol", ost->rematrix_volume, 0);
- if (ost->audio_channels_mapped) {
- av_opt_set_int(ost->swr, "icl", av_get_default_channel_layout(ost->audio_channels_mapped), 0);
- av_opt_set_int(ost->swr, "uch", ost->audio_channels_mapped, 0);
- }
- if (av_opt_set_int(ost->swr, "ich", dec->channels, 0) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Unsupported number of input channels\n");
- exit_program(1);
- }
- if (av_opt_set_int(ost->swr, "och", enc->channels, 0) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Unsupported number of output channels\n");
- exit_program(1);
- }
- if(audio_sync_method>1) av_opt_set_int(ost->swr, "flags", SWR_FLAG_RESAMPLE, 0);
- if(ost->swr && swr_init(ost->swr) < 0){
- av_log(NULL, AV_LOG_FATAL, "swr_init() failed\n");
- swr_free(&ost->swr);
- }
-
- if (!ost->swr) {
- av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
- dec->channels, dec->sample_rate,
- enc->channels, enc->sample_rate);
- exit_program(1);
- }
- }
- }
-
- av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
-
- if (audio_sync_method > 0) {
- double delta = get_sync_ipts(ost, ist->pts) * enc->sample_rate - ost->sync_opts -
- av_fifo_size(ost->fifo) / (enc->channels * osize);
- int idelta = delta * dec->sample_rate / enc->sample_rate;
- int byte_delta = idelta * isize * dec->channels;
-
- // FIXME resample delay
- if (fabs(delta) > 50) {
- if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
- if (byte_delta < 0) {
- byte_delta = FFMAX(byte_delta, -size);
- size += byte_delta;
- for (i=0; i<planes; i++)
- buf[i] -= byte_delta/planes;
- av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
- -byte_delta / (isize * dec->channels));
- if (!size)
- return;
- ist->is_start = 0;
- } else {
- av_fast_malloc(&async_buf, &allocated_async_buf_size,
- byte_delta + size);
- if (!async_buf) {
- av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
- exit_program(1);
- }
-
- if (alloc_audio_output_buf(dec, enc, decoded_frame->nb_samples + idelta, &out_linesize) < 0) {
- av_log(NULL, AV_LOG_FATAL, "Error allocating audio buffer\n");
- exit_program(1);
- }
- ist->is_start = 0;
-
- for (i=0; i<planes; i++) {
- uint8_t *t = async_buf + i*((byte_delta + size)/planes);
- generate_silence(t, dec->sample_fmt, byte_delta/planes);
- memcpy(t + byte_delta/planes, buf[i], size/planes);
- buf[i] = t;
- }
- size += byte_delta;
- av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
- }
- } else if (audio_sync_method > 1) {
- int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
- av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
- delta, comp, enc->sample_rate);
-// fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2));
- swr_set_compensation(ost->swr, comp, enc->sample_rate);
- }
- }
- } else if (audio_sync_method == 0)
- ost->sync_opts = lrintf(get_sync_ipts(ost, ist->pts) * enc->sample_rate) -
- av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
-
- if (ost->audio_resample || ost->audio_channels_mapped) {
- buftmp = audio_buf;
- size_out = swr_convert(ost->swr, ( uint8_t*[]){buftmp},
- allocated_audio_buf_size / (enc->channels * osize),
- (const uint8_t **)buf,
- size / (dec->channels * isize));
- if (size_out < 0) {
- av_log(NULL, AV_LOG_FATAL, "swr_convert failed\n");
- exit_program(1);
- }
- size_out = size_out * enc->channels * osize;
- } else {
- buftmp = buf[0];
- size_out = size;
- }
-
- av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
-
- /* now encode as many frames as possible */
- if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
- /* output resampled raw samples */
- if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
- av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
- exit_program(1);
+ if (debug_ts) {
+ av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
+ "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
+ av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
+ av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
}
- av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
- frame_bytes = enc->frame_size * osize * enc->channels;
-
- while (av_fifo_size(ost->fifo) >= frame_bytes) {
- av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
- encode_audio_frame(s, ost, audio_buf, frame_bytes);
- }
- } else {
- encode_audio_frame(s, ost, buftmp, size_out);
+ write_frame(s, &pkt, ost);
+
+ audio_size += pkt.size;
+ av_free_packet(&pkt);
}
}
}
}
-static double psnr(double d)
-{
- return -10.0 * log(d) / log(10.0);
-}
-
-static void do_video_stats(AVFormatContext *os, OutputStream *ost,
- int frame_size)
-{
- AVCodecContext *enc;
- int frame_number;
- double ti1, bitrate, avg_bitrate;
-
- /* this is executed just the first time do_video_stats is called */
- if (!vstats_file) {
- vstats_file = fopen(vstats_filename, "w");
- if (!vstats_file) {
- perror("fopen");
- exit_program(1);
- }
- }
-
- enc = ost->st->codec;
- if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
- frame_number = ost->frame_number;
- fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
- if (enc->flags&CODEC_FLAG_PSNR)
- fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
-
- fprintf(vstats_file,"f_size= %6d ", frame_size);
- /* compute pts value */
- ti1 = ost->sync_opts * av_q2d(enc->time_base);
- if (ti1 < 0.01)
- ti1 = 0.01;
-
- bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
- avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
- fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
- (double)video_size / 1024, ti1, bitrate, avg_bitrate);
- fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
- }
-}
-
-
-static void do_video_out(AVFormatContext *s, OutputStream *ost,
- AVFrame *in_picture, float quality)
+static void do_video_out(AVFormatContext *s,
+ OutputStream *ost,
+ AVFrame *in_picture,
+ float quality)
{
- int nb_frames, i, ret, format_video_sync;
- AVCodecContext *enc;
+ int ret, format_video_sync;
+ AVPacket pkt;
+ AVCodecContext *enc = ost->st->codec;
+ int nb_frames, i;
double sync_ipts, delta;
double duration = 0;
int frame_size = 0;
if (ost->source_index >= 0)
ist = input_streams[ost->source_index];
- enc = ost->st->codec;
-
if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
- sync_ipts = get_sync_ipts(ost, in_picture->pts) / av_q2d(enc->time_base);
+ sync_ipts = in_picture->pts;
delta = sync_ipts - ost->sync_opts + duration;
/* by default, we output a single frame */
av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
}
- /* duplicates frame if needed */
- for (i = 0; i < nb_frames; i++) {
- AVPacket pkt;
- av_init_packet(&pkt);
- pkt.data = NULL;
- pkt.size = 0;
-
- if (s->oformat->flags & AVFMT_RAWPICTURE &&
- enc->codec->id == CODEC_ID_RAWVIDEO) {
- /* raw pictures are written as AVPicture structure to
- avoid any copies. We support temporarily the older
- method. */
- enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
- enc->coded_frame->top_field_first = in_picture->top_field_first;
- pkt.data = (uint8_t *)in_picture;
- pkt.size = sizeof(AVPicture);
- pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
- pkt.flags |= AV_PKT_FLAG_KEY;
- write_frame(s, &pkt, ost);
- } else {
- int got_packet;
- AVFrame big_picture;
-
- big_picture = *in_picture;
- /* better than nothing: use input picture interlaced
- settings */
- big_picture.interlaced_frame = in_picture->interlaced_frame;
- if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
- if (ost->top_field_first == -1)
- big_picture.top_field_first = in_picture->top_field_first;
- else
- big_picture.top_field_first = !!ost->top_field_first;
- }
+duplicate_frame:
+ av_init_packet(&pkt);
+ pkt.data = NULL;
+ pkt.size = 0;
- /* handles same_quant here. This is not correct because it may
- not be a global option */
- big_picture.quality = quality;
- if (!enc->me_threshold)
- big_picture.pict_type = 0;
- big_picture.pts = ost->sync_opts;
- if (ost->forced_kf_index < ost->forced_kf_count &&
- big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
- big_picture.pict_type = AV_PICTURE_TYPE_I;
- ost->forced_kf_index++;
- }
- update_benchmark(NULL);
- ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
- update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
- if (ret < 0) {
- av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
- exit_program(1);
- }
+ in_picture->pts = ost->sync_opts;
- if (got_packet) {
- if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
- pkt.pts = ost->sync_opts;
+ if (s->oformat->flags & AVFMT_RAWPICTURE &&
+ enc->codec->id == CODEC_ID_RAWVIDEO) {
+ /* raw pictures are written as AVPicture structure to
+ avoid any copies. We support temporarily the older
+ method. */
+ enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
+ enc->coded_frame->top_field_first = in_picture->top_field_first;
+ pkt.data = (uint8_t *)in_picture;
+ pkt.size = sizeof(AVPicture);
+ pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
+ pkt.flags |= AV_PKT_FLAG_KEY;
- if (pkt.pts != AV_NOPTS_VALUE)
- pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
- if (pkt.dts != AV_NOPTS_VALUE)
- pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
+ write_frame(s, &pkt, ost);
+ } else {
+ int got_packet;
+ AVFrame big_picture;
+
+ big_picture = *in_picture;
+ /* better than nothing: use input picture interlaced
+ settings */
+ big_picture.interlaced_frame = in_picture->interlaced_frame;
+ if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
+ if (ost->top_field_first == -1)
+ big_picture.top_field_first = in_picture->top_field_first;
+ else
+ big_picture.top_field_first = !!ost->top_field_first;
+ }
+
+ /* handles same_quant here. This is not correct because it may
+ not be a global option */
+ big_picture.quality = quality;
+ if (!enc->me_threshold)
+ big_picture.pict_type = 0;
+ if (ost->forced_kf_index < ost->forced_kf_count &&
+ big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
+ big_picture.pict_type = AV_PICTURE_TYPE_I;
+ ost->forced_kf_index++;
+ }
+ update_benchmark(NULL);
+ ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
+ update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
+ exit_program(1);
+ }
- if (debug_ts) {
- av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
- "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
- av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
- av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
- }
+ if (got_packet) {
+ if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
+ pkt.pts = ost->sync_opts;
- write_frame(s, &pkt, ost);
- frame_size = pkt.size;
- video_size += pkt.size;
- av_free_packet(&pkt);
+ if (pkt.pts != AV_NOPTS_VALUE)
+ pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
+ if (pkt.dts != AV_NOPTS_VALUE)
+ pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
- /* if two pass, output log */
- if (ost->logfile && enc->stats_out) {
- fprintf(ost->logfile, "%s", enc->stats_out);
- }
+ if (debug_ts) {
+ av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
+ "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
+ av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
+ av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
+ }
+
+ write_frame(s, &pkt, ost);
+ frame_size = pkt.size;
+ video_size += pkt.size;
+ av_free_packet(&pkt);
+
+ /* if two pass, output log */
+ if (ost->logfile && enc->stats_out) {
+ fprintf(ost->logfile, "%s", enc->stats_out);
}
}
- ost->sync_opts++;
- /*
- * For video, number of frames in == number of packets out.
- * But there may be reordering, so we can't throw away frames on encoder
- * flush, we need to limit them here, before they go into encoder.
- */
- ost->frame_number++;
}
+ ost->sync_opts++;
+ /*
+ * For video, number of frames in == number of packets out.
+ * But there may be reordering, so we can't throw away frames on encoder
+ * flush, we need to limit them here, before they go into encoder.
+ */
+ ost->frame_number++;
+
+ if(--nb_frames)
+ goto duplicate_frame;
+
if (vstats_filename && frame_size)
do_video_stats(output_files[ost->file_index]->ctx, ost, frame_size);
}
+static double psnr(double d)
+{
+ return -10.0 * log(d) / log(10.0);
+}
+
+static void do_video_stats(AVFormatContext *os, OutputStream *ost,
+ int frame_size)
+{
+ AVCodecContext *enc;
+ int frame_number;
+ double ti1, bitrate, avg_bitrate;
+
+ /* this is executed just the first time do_video_stats is called */
+ if (!vstats_file) {
+ vstats_file = fopen(vstats_filename, "w");
+ if (!vstats_file) {
+ perror("fopen");
+ exit_program(1);
+ }
+ }
+
+ enc = ost->st->codec;
+ if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
+ frame_number = ost->frame_number;
+ fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
+ if (enc->flags&CODEC_FLAG_PSNR)
+ fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
+
+ fprintf(vstats_file,"f_size= %6d ", frame_size);
+ /* compute pts value */
+ ti1 = ost->sync_opts * av_q2d(enc->time_base);
+ if (ti1 < 0.01)
+ ti1 = 0.01;
+
+ bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
+ avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
+ fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
+ (double)video_size / 1024, ti1, bitrate, avg_bitrate);
+ fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
+ }
+}
+
/* check for new output on any of the filtergraphs */
static int poll_filters(void)
{
AVFrame *filtered_frame = NULL;
int i, ret, ret_all;
unsigned nb_success, nb_eof;
+ int64_t frame_pts;
while (1) {
/* Reap all buffers present in the buffer sinks */
for (i = 0; i < nb_output_streams; i++) {
OutputStream *ost = output_streams[i];
OutputFile *of = output_files[ost->file_index];
+ int ret = 0;
if (!ost->filter || ost->is_past_recording_time)
continue;
while (1) {
AVRational ist_pts_tb = ost->filter->filter->inputs[0]->time_base;
- ret = av_buffersink_get_buffer_ref(ost->filter->filter, &picref,
- AV_BUFFERSINK_FLAG_NO_REQUEST);
+ if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
+ !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
+ ret = av_buffersink_read_samples(ost->filter->filter, &picref,
+ ost->st->codec->frame_size);
+ else
+#ifdef SINKA
+ ret = av_buffersink_read(ost->filter->filter, &picref);
+#else
+ ret = av_buffersink_get_buffer_ref(ost->filter->filter, &picref,
+ AV_BUFFERSINK_FLAG_NO_REQUEST);
+#endif
if (ret < 0) {
- if (ret != AVERROR(EAGAIN)) {
+ if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
char buf[256];
av_strerror(ret, buf, sizeof(buf));
av_log(NULL, AV_LOG_WARNING,
}
break;
}
- filtered_frame->pts = av_rescale_q(picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
+ frame_pts = AV_NOPTS_VALUE;
+ if (picref->pts != AV_NOPTS_VALUE) {
+ filtered_frame->pts = frame_pts = av_rescale_q(picref->pts,
+ ost->filter->filter->inputs[0]->time_base,
+ ost->st->codec->time_base) -
+ av_rescale_q(of->start_time,
+ AV_TIME_BASE_Q,
+ ost->st->codec->time_base);
+
+ if (of->start_time && filtered_frame->pts < 0) {
+ avfilter_unref_buffer(picref);
+ continue;
+ }
+ }
//if (ost->source_index >= 0)
// *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
- if (of->start_time && filtered_frame->pts < of->start_time)
- return 0;
switch (ost->filter->filter->inputs[0]->type) {
case AVMEDIA_TYPE_VIDEO:
avfilter_fill_frame_from_video_buffer_ref(filtered_frame, picref);
+ filtered_frame->pts = frame_pts;
if (!ost->frame_aspect_ratio)
ost->st->codec->sample_aspect_ratio = picref->video->sample_aspect_ratio;
same_quant ? ost->last_quality :
ost->st->codec->global_quality);
break;
+ case AVMEDIA_TYPE_AUDIO:
+ avfilter_copy_buf_props(filtered_frame, picref);
+ filtered_frame->pts = frame_pts;
+ do_audio_out(of->ctx, ost, filtered_frame);
+ break;
default:
- // TODO support audio/subtitle filters
+ // TODO support subtitle filters
av_assert0(0);
}
continue;
for (;;) {
- AVPacket pkt;
- int fifo_bytes, got_packet;
- av_init_packet(&pkt);
- pkt.data = NULL;
- pkt.size = 0;
+ int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
+ const char *desc;
+ int64_t *size;
switch (ost->st->codec->codec_type) {
case AVMEDIA_TYPE_AUDIO:
- fifo_bytes = av_fifo_size(ost->fifo);
- if (fifo_bytes > 0) {
- /* encode any samples remaining in fifo */
- int frame_bytes = fifo_bytes;
-
- av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
-
- encode_audio_frame(os, ost, audio_buf, frame_bytes);
- } else {
- /* flush encoder with NULL frames until it is done
- returning packets */
- if (encode_audio_frame(os, ost, NULL, 0) == 0) {
- stop_encoding = 1;
- break;
- }
- }
+ encode = avcodec_encode_audio2;
+ desc = "Audio";
+ size = &audio_size;
break;
case AVMEDIA_TYPE_VIDEO:
+ encode = avcodec_encode_video2;
+ desc = "Video";
+ size = &video_size;
+ break;
+ default:
+ stop_encoding = 1;
+ }
+
+ if (encode) {
+ AVPacket pkt;
+ int got_packet;
+ av_init_packet(&pkt);
+ pkt.data = NULL;
+ pkt.size = 0;
+
update_benchmark(NULL);
- ret = avcodec_encode_video2(enc, &pkt, NULL, &got_packet);
- update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
+ ret = encode(enc, &pkt, NULL, &got_packet);
+ update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
if (ret < 0) {
- av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
+ av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
exit_program(1);
}
- video_size += pkt.size;
+ *size += pkt.size;
if (ost->logfile && enc->stats_out) {
fprintf(ost->logfile, "%s", enc->stats_out);
}
if (pkt.dts != AV_NOPTS_VALUE)
pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
write_frame(os, &pkt, ost);
- break;
- default:
- stop_encoding = 1;
}
+
if (stop_encoding)
break;
}
}
}
-static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
+static int guess_input_channel_layout(InputStream *ist)
+{
+ AVCodecContext *dec = ist->st->codec;
+
+ if (!dec->channel_layout) {
+ char layout_name[256];
+
+ dec->channel_layout = av_get_default_channel_layout(dec->channels);
+ if (!dec->channel_layout)
+ return 0;
+ av_get_channel_layout_string(layout_name, sizeof(layout_name),
+ dec->channels, dec->channel_layout);
+ av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
+ "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
+ }
+ return 1;
+}
+
+static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
{
AVFrame *decoded_frame;
AVCodecContext *avctx = ist->st->codec;
- int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
- int i, ret;
+ int i, ret, resample_changed;
if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
return AVERROR(ENOMEM);
if (!*got_output) {
/* no audio frame */
+ if (!pkt->size)
+ for (i = 0; i < ist->nb_filters; i++)
+ av_buffersrc_add_ref(ist->filters[i]->filter, NULL,
+ AV_BUFFERSRC_FLAG_NO_COPY);
return ret;
}
the decoder could be delaying output by a packet or more. */
if (decoded_frame->pts != AV_NOPTS_VALUE)
ist->dts = ist->next_dts = ist->pts = ist->next_pts = decoded_frame->pts;
+ else if (pkt->pts != AV_NOPTS_VALUE) {
+ decoded_frame->pts = pkt->pts;
+ pkt->pts = AV_NOPTS_VALUE;
+ }else
+ decoded_frame->pts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
+
+#if 1
/* increment next_dts to use for the case where the input stream does not
have timestamps or there are multiple frames in the packet */
ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
avctx->sample_rate;
ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
avctx->sample_rate;
+#endif
+ rate_emu_sleep(ist);
- // preprocess audio (volume)
- if (audio_volume != 256) {
- int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
- void *samples = decoded_frame->data[0];
- switch (avctx->sample_fmt) {
- case AV_SAMPLE_FMT_U8:
- {
- uint8_t *volp = samples;
- for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
- int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
- *volp++ = av_clip_uint8(v);
- }
- break;
- }
- case AV_SAMPLE_FMT_S16:
- {
- int16_t *volp = samples;
- for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
- int v = ((*volp) * audio_volume + 128) >> 8;
- *volp++ = av_clip_int16(v);
- }
- break;
- }
- case AV_SAMPLE_FMT_S32:
- {
- int32_t *volp = samples;
- for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
- int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
- *volp++ = av_clipl_int32(v);
- }
- break;
- }
- case AV_SAMPLE_FMT_FLT:
- {
- float *volp = samples;
- float scale = audio_volume / 256.f;
- for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
- *volp++ *= scale;
- }
- break;
- }
- case AV_SAMPLE_FMT_DBL:
- {
- double *volp = samples;
- double scale = audio_volume / 256.;
- for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
- *volp++ *= scale;
- }
- break;
- }
- default:
- av_log(NULL, AV_LOG_FATAL,
- "Audio volume adjustment on sample format %s is not supported.\n",
- av_get_sample_fmt_name(ist->st->codec->sample_fmt));
+ resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
+ ist->resample_channels != avctx->channels ||
+ ist->resample_channel_layout != decoded_frame->channel_layout ||
+ ist->resample_sample_rate != decoded_frame->sample_rate;
+ if (resample_changed) {
+ char layout1[64], layout2[64];
+
+ if (!guess_input_channel_layout(ist)) {
+ av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
+ "layout for Input Stream #%d.%d\n", ist->file_index,
+ ist->st->index);
exit_program(1);
}
- }
+ decoded_frame->channel_layout = avctx->channel_layout;
- rate_emu_sleep(ist);
+ av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
+ ist->resample_channel_layout);
+ av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
+ decoded_frame->channel_layout);
- for (i = 0; i < nb_output_streams; i++) {
- OutputStream *ost = output_streams[i];
+ av_log(NULL, AV_LOG_INFO,
+ "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d chl:%s to rate:%d fmt:%s ch:%d chl:%s\n",
+ ist->file_index, ist->st->index,
+ ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
+ ist->resample_channels, layout1,
+ decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
+ avctx->channels, layout2);
- if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
- continue;
- do_audio_out(output_files[ost->file_index]->ctx, ost, ist, decoded_frame);
+ ist->resample_sample_fmt = decoded_frame->format;
+ ist->resample_sample_rate = decoded_frame->sample_rate;
+ ist->resample_channel_layout = decoded_frame->channel_layout;
+ ist->resample_channels = avctx->channels;
+
+ for (i = 0; i < nb_filtergraphs; i++)
+ if (ist_in_filtergraph(filtergraphs[i], ist) &&
+ configure_filtergraph(filtergraphs[i]) < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
+ exit_program(1);
+ }
}
+ for (i = 0; i < ist->nb_filters; i++)
+ av_buffersrc_add_frame(ist->filters[i]->filter, decoded_frame, 0);
+
return ret;
}
-static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
+static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
{
AVFrame *decoded_frame;
void *buffer_to_free = NULL;
else
avcodec_get_frame_defaults(ist->decoded_frame);
decoded_frame = ist->decoded_frame;
- pkt->pts = *pkt_pts;
- pkt->dts = ist->dts;
- *pkt_pts = AV_NOPTS_VALUE;
+ pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
update_benchmark(NULL);
ret = avcodec_decode_video2(ist->st->codec,
/* no picture yet */
if (!pkt->size)
for (i = 0; i < ist->nb_filters; i++)
- av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
+ av_buffersrc_add_ref(ist->filters[i]->filter, NULL, AV_BUFFERSRC_FLAG_NO_COPY);
return ret;
}
best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
if(best_effort_timestamp != AV_NOPTS_VALUE)
- ist->next_pts = ist->pts = decoded_frame->pts = best_effort_timestamp;
+ ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
pkt->size = 0;
-
pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
rate_emu_sleep(ist);
{
int ret = 0, i;
int got_output;
- int64_t pkt_pts = AV_NOPTS_VALUE;
AVPacket avpkt;
if (!ist->saw_first_ts) {
if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
}
- if(pkt->pts != AV_NOPTS_VALUE)
- pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
// while we have more to decode or while the decoder did output something on EOF
while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
switch (ist->st->codec->codec_type) {
case AVMEDIA_TYPE_AUDIO:
- ret = transcode_audio (ist, &avpkt, &got_output);
+ ret = decode_audio (ist, &avpkt, &got_output);
break;
case AVMEDIA_TYPE_VIDEO:
- ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
+ ret = decode_video (ist, &avpkt, &got_output);
if (avpkt.duration) {
duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
} else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
static int init_input_stream(int ist_index, char *error, int error_len)
{
- int i;
InputStream *ist = input_streams[ist_index];
if (ist->decoding_needed) {
}
assert_codec_experimental(ist->st->codec, 0);
assert_avoptions(ist->opts);
-
- if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
- for (i = 0; i < nb_output_streams; i++) {
- OutputStream *ost = output_streams[i];
- if (ost->source_index == ist_index) {
- if (!ist->st->codec->channel_layout || !ost->st->codec->channel_layout)
- get_default_channel_layouts(ost, ist);
- break;
- }
- }
- }
}
ist->next_pts = AV_NOPTS_VALUE;
ist->decoding_needed = 1;
ost->encoding_needed = 1;
- switch (codec->codec_type) {
- case AVMEDIA_TYPE_AUDIO:
- ost->fifo = av_fifo_alloc(1024);
- if (!ost->fifo) {
- return AVERROR(ENOMEM);
+ if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
+ if (ist && !ost->frame_rate.num)
+ ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_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];
}
+ }
- if (!codec->sample_rate)
- codec->sample_rate = icodec->sample_rate;
- choose_sample_rate(ost->st, ost->enc);
- codec->time_base = (AVRational){ 1, codec->sample_rate };
-
- if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
- codec->sample_fmt = icodec->sample_fmt;
- choose_sample_fmt(ost->st, ost->enc);
-
- if (ost->audio_channels_mapped) {
- /* the requested output channel is set to the number of
- * -map_channel only if no -ac are specified */
- if (!codec->channels) {
- codec->channels = ost->audio_channels_mapped;
- codec->channel_layout = av_get_default_channel_layout(codec->channels);
- if (!codec->channel_layout) {
- av_log(NULL, AV_LOG_FATAL, "Unable to find an appropriate channel layout for requested number of channel\n");
- exit_program(1);
- }
- }
- /* fill unused channel mapping with -1 (which means a muted
- * channel in case the number of output channels is bigger
- * than the number of mapped channel) */
- for (j = ost->audio_channels_mapped; j < FF_ARRAY_ELEMS(ost->audio_channels_map); j++)
- ost->audio_channels_map[j] = -1;
- } else if (!codec->channels) {
- codec->channels = icodec->channels;
- codec->channel_layout = icodec->channel_layout;
- }
- if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
- codec->channel_layout = 0;
-
-
-// ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
-// ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt
-// || codec->channel_layout != icodec->channel_layout;
- icodec->request_channels = codec-> channels;
- ost->resample_sample_fmt = icodec->sample_fmt;
- ost->resample_sample_rate = icodec->sample_rate;
- ost->resample_channels = icodec->channels;
- ost->resample_channel_layout = icodec->channel_layout;
- break;
- case AVMEDIA_TYPE_VIDEO:
- if (!ost->filter) {
+ if (!ost->filter &&
+ (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
+ codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
FilterGraph *fg;
fg = init_simple_filtergraph(ist, ost);
- if (configure_video_filters(fg)) {
+ if (configure_simple_filtergraph(fg)) {
av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
exit(1);
}
- }
+ }
- if (ist && !ost->frame_rate.num)
- ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_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];
- }
+ switch (codec->codec_type) {
+ case AVMEDIA_TYPE_AUDIO:
+ codec->sample_fmt = ost->filter->filter->inputs[0]->format;
+ codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
+ codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
+ codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
+ codec->time_base = (AVRational){ 1, codec->sample_rate };
+ break;
+ case AVMEDIA_TYPE_VIDEO:
codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
&& (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
size_t logbuffer_size;
if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
- logfilename);
+ logfilename);
exit_program(1);
}
codec->stats_in = logbuffer;
input_streams[ost->source_index]->st->index,
ost->file_index,
ost->index);
- if (ost->audio_channels_mapped) {
- av_log(NULL, AV_LOG_INFO, " [ch:");
- for (j = 0; j < ost->audio_channels_mapped; j++)
- if (ost->audio_channels_map[j] == -1)
- av_log(NULL, AV_LOG_INFO, " M");
- else
- av_log(NULL, AV_LOG_INFO, " %d", ost->audio_channels_map[j]);
- av_log(NULL, AV_LOG_INFO, "]");
- }
if (ost->sync_ist != input_streams[ost->source_index])
av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
ost->sync_ist->file_index,
fclose(ost->logfile);
ost->logfile = NULL;
}
- av_fifo_free(ost->fifo); /* works even if fifo is not
- initialized but set to zero */
av_freep(&ost->st->codec->subtitle_header);
av_free(ost->forced_kf_pts);
- swr_free(&ost->swr);
av_dict_free(&ost->opts);
}
}
break;
case AVMEDIA_TYPE_AUDIO:
+ guess_input_channel_layout(ist);
+
+ ist->resample_sample_fmt = dec->sample_fmt;
+ ist->resample_sample_rate = dec->sample_rate;
+ ist->resample_channels = dec->channels;
+ ist->resample_channel_layout = dec->channel_layout;
+
+ break;
case AVMEDIA_TYPE_DATA:
case AVMEDIA_TYPE_SUBTITLE:
if(!ist->dec)
input_streams[source_index]->st->discard = AVDISCARD_NONE;
}
- ost->pix_fmts[0] = ost->pix_fmts[1] = PIX_FMT_NONE;
-
return ost;
}
video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
+ if (frame_pix_fmt && *frame_pix_fmt == '+') {
+ ost->keep_pix_fmt = 1;
+ if (!*++frame_pix_fmt)
+ frame_pix_fmt = NULL;
+ }
if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
exit_program(1);
audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
if (!ost->stream_copy) {
- char *sample_fmt = NULL;
+ char *sample_fmt = NULL, *filters = NULL;
MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
- ost->rematrix_volume=1.0;
- MATCH_PER_STREAM_OPT(rematrix_volume, f, ost->rematrix_volume, oc, st);
- }
+ MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
+ if (filters)
+ ost->avfilter = av_strdup(filters);
- /* check for channel mapping for this audio stream */
- for (n = 0; n < o->nb_audio_channel_maps; n++) {
- AudioChannelMap *map = &o->audio_channel_maps[n];
- InputStream *ist = input_streams[ost->source_index];
- if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
- (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
- (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
- if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
- ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
- else
- av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
- ost->file_index, ost->st->index);
+ /* check for channel mapping for this audio stream */
+ for (n = 0; n < o->nb_audio_channel_maps; n++) {
+ AudioChannelMap *map = &o->audio_channel_maps[n];
+ InputStream *ist = input_streams[ost->source_index];
+ if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
+ (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
+ (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
+ if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
+ ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
+ else
+ av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
+ ost->file_index, ost->st->index);
+ }
}
}
{
OutputStream *ost;
- if (ofilter->out_tmp->filter_ctx->output_pads[ofilter->out_tmp->pad_idx].type != AVMEDIA_TYPE_VIDEO) {
- av_log(NULL, AV_LOG_FATAL, "Only video filters are supported currently.\n");
+ switch (ofilter->out_tmp->filter_ctx->output_pads[ofilter->out_tmp->pad_idx].type) {
+ case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break;
+ case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break;
+ default:
+ av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
+ "currently.\n");
exit_program(1);
}
- ost = new_video_stream(o, oc, -1);
ost->source_index = -1;
ost->filter = ofilter;
case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
default:
av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
- map->file_index, map->stream_index);
+ map->file_index, map->stream_index);
exit_program(1);
}
}
return parse_option(o, "filter:v", arg, options);
}
+static int opt_audio_filters(OptionsContext *o, const char *opt, const char *arg)
+{
+ return parse_option(o, "filter:a", arg, options);
+}
+
static int opt_vsync(const char *opt, const char *arg)
{
if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
{ "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
{ "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
{ "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
- { "rmvol", HAS_ARG | OPT_AUDIO | OPT_FLOAT | OPT_SPEC, {.off = OFFSET(rematrix_volume)}, "rematrix volume (as factor)", "volume" },
{ "channel_layout", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_channel_layout}, "set channel layout", "layout" },
+ { "af", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_filters}, "audio filters", "filter list" },
/* subtitle options */
{ "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
projects / ffmpeg / blobdiff