# include "libavfilter/avfilter.h"
# include "libavfilter/avfiltergraph.h"
# include "libavfilter/buffersrc.h"
+# include "libavfilter/buffersink.h"
# include "libavfilter/vsrc_buffer.h"
#if HAVE_SYS_RESOURCE_H
#include <sys/types.h>
-#include <sys/time.h>
#include <sys/resource.h>
#elif HAVE_GETPROCESSTIMES
#include <windows.h>
#include <sys/select.h>
#endif
+#if HAVE_PTHREADS
+#include <pthread.h>
+#endif
+
#include <time.h>
#include "cmdutils.h"
static int print_stats = 1;
-static uint8_t *audio_buf;
-static unsigned int allocated_audio_buf_size;
-static uint8_t *async_buf;
-static unsigned int allocated_async_buf_size;
+#if HAVE_PTHREADS
+/* signal to input threads that they should exit; set by the main thread */
+static int transcoding_finished;
+#endif
#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
AVFilterContext *filter;
struct InputStream *ist;
struct FilterGraph *graph;
+ uint8_t *name;
} InputFilter;
typedef struct OutputFilter {
AVFilterContext *filter;
struct OutputStream *ost;
struct FilterGraph *graph;
+ uint8_t *name;
/* temporary storage until stream maps are processed */
AVFilterInOut *out_tmp;
int nb_outputs;
} FilterGraph;
-typedef struct FrameBuffer {
- uint8_t *base[4];
- uint8_t *data[4];
- int linesize[4];
-
- int h, w;
- enum PixelFormat pix_fmt;
-
- int refcount;
- struct InputStream *ist;
- struct FrameBuffer *next;
-} FrameBuffer;
-
typedef struct InputStream {
int file_index;
AVStream *st;
int is_start; /* is 1 at the start and after a discontinuity */
int showed_multi_packet_warning;
AVDictionary *opts;
+ AVRational framerate; /* framerate forced with -r */
int resample_height;
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;
/* decoded data from this stream goes into all those filters
- * currently video only */
+ * currently video and audio only */
InputFilter **filters;
int nb_filters;
} InputStream;
int nb_streams; /* number of stream that avconv is aware of; may be different
from ctx.nb_streams if new streams appear during av_read_frame() */
int rate_emu;
+
+#if HAVE_PTHREADS
+ pthread_t thread; /* thread reading from this file */
+ int finished; /* the thread has exited */
+ int joined; /* the thread has been joined */
+ pthread_mutex_t fifo_lock; /* lock for access to fifo */
+ pthread_cond_t fifo_cond; /* the main thread will signal on this cond after reading from fifo */
+ AVFifoBuffer *fifo; /* demuxed packets are stored here; freed by the main thread */
+#endif
} InputFile;
typedef struct OutputStream {
AVBitStreamFilterContext *bitstream_filters;
AVCodec *enc;
int64_t max_frames;
- AVFrame *output_frame;
AVFrame *filtered_frame;
/* video only */
int forced_kf_count;
int forced_kf_index;
- /* audio only */
- int audio_resample;
- AVAudioResampleContext *avr;
- int resample_sample_fmt;
- int resample_channels;
- uint64_t resample_channel_layout;
- int resample_sample_rate;
- AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
FILE *logfile;
OutputFilter *filter;
init_opts();
}
-static int alloc_buffer(InputStream *ist, AVCodecContext *s, FrameBuffer **pbuf)
-{
- FrameBuffer *buf = av_mallocz(sizeof(*buf));
- int i, ret;
- const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
- int h_chroma_shift, v_chroma_shift;
- int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
- int w = s->width, h = s->height;
-
- if (!buf)
- return AVERROR(ENOMEM);
-
- if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
- w += 2*edge;
- h += 2*edge;
- }
-
- avcodec_align_dimensions(s, &w, &h);
- if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
- s->pix_fmt, 32)) < 0) {
- av_freep(&buf);
- return ret;
- }
- /* XXX this shouldn't be needed, but some tests break without this line
- * those decoders are buggy and need to be fixed.
- * the following tests fail:
- * cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
- */
- memset(buf->base[0], 128, ret);
-
- avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
- for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
- const int h_shift = i==0 ? 0 : h_chroma_shift;
- const int v_shift = i==0 ? 0 : v_chroma_shift;
- if (s->flags & CODEC_FLAG_EMU_EDGE)
- buf->data[i] = buf->base[i];
- else
- buf->data[i] = buf->base[i] +
- FFALIGN((buf->linesize[i]*edge >> v_shift) +
- (pixel_size*edge >> h_shift), 32);
- }
- buf->w = s->width;
- buf->h = s->height;
- buf->pix_fmt = s->pix_fmt;
- buf->ist = ist;
-
- *pbuf = buf;
- return 0;
-}
-
-static void free_buffer_pool(InputStream *ist)
-{
- FrameBuffer *buf = ist->buffer_pool;
- while (buf) {
- ist->buffer_pool = buf->next;
- av_freep(&buf->base[0]);
- av_free(buf);
- buf = ist->buffer_pool;
- }
-}
-
-static void unref_buffer(InputStream *ist, FrameBuffer *buf)
-{
- av_assert0(buf->refcount);
- buf->refcount--;
- if (!buf->refcount) {
- buf->next = ist->buffer_pool;
- ist->buffer_pool = buf;
- }
-}
-
-static int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
-{
- InputStream *ist = s->opaque;
- FrameBuffer *buf;
- int ret, i;
-
- if (!ist->buffer_pool && (ret = alloc_buffer(ist, s, &ist->buffer_pool)) < 0)
- return ret;
-
- buf = ist->buffer_pool;
- ist->buffer_pool = buf->next;
- buf->next = NULL;
- if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
- av_freep(&buf->base[0]);
- av_free(buf);
- if ((ret = alloc_buffer(ist, s, &buf)) < 0)
- return ret;
- }
- buf->refcount++;
-
- frame->opaque = buf;
- frame->type = FF_BUFFER_TYPE_USER;
- frame->extended_data = frame->data;
- frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
- frame->width = buf->w;
- frame->height = buf->h;
- frame->format = buf->pix_fmt;
- frame->sample_aspect_ratio = s->sample_aspect_ratio;
-
- for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
- frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
- frame->data[i] = buf->data[i];
- frame->linesize[i] = buf->linesize[i];
- }
-
- return 0;
-}
-
-static void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
-{
- InputStream *ist = s->opaque;
- FrameBuffer *buf = frame->opaque;
- int i;
-
- for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
- frame->data[i] = NULL;
-
- unref_buffer(ist, buf);
+/**
+ * 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; \
}
-static void filter_release_buffer(AVFilterBuffer *fb)
-{
- FrameBuffer *buf = fb->priv;
- av_free(fb);
- unref_buffer(buf->ist, buf);
-}
+#define GET_PIX_FMT_NAME(pix_fmt)\
+ const char *name = av_get_pix_fmt_name(pix_fmt);
-static const enum PixelFormat *choose_pixel_fmts(OutputStream *ost)
-{
- if (ost->st->codec->pix_fmt != PIX_FMT_NONE) {
- ost->pix_fmts[0] = ost->st->codec->pix_fmt;
- return ost->pix_fmts;
- } else if (ost->enc->pix_fmts)
- return ost->enc->pix_fmts;
- else
- return NULL;
-}
+DEF_CHOOSE_FORMAT(enum PixelFormat, pix_fmt, pix_fmts, PIX_FMT_NONE,
+ GET_PIX_FMT_NAME, ":")
-static int configure_video_filters(FilterGraph *fg)
-{
- InputStream *ist = fg->inputs[0]->ist;
- OutputStream *ost = fg->outputs[0]->ost;
- AVFilterContext *last_filter, *filter;
- /** filter graph containing all filters including input & output */
- AVCodecContext *codec = ost->st->codec;
- SinkContext sink_ctx = { .pix_fmts = choose_pixel_fmts(ost) };
- AVRational sample_aspect_ratio;
- char args[255];
- int ret;
+#define GET_SAMPLE_FMT_NAME(sample_fmt)\
+ const char *name = av_get_sample_fmt_name(sample_fmt)
- avfilter_graph_free(&fg->graph);
- fg->graph = avfilter_graph_alloc();
+DEF_CHOOSE_FORMAT(enum AVSampleFormat, sample_fmt, sample_fmts,
+ AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME, ",")
- 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;
+#define GET_SAMPLE_RATE_NAME(rate)\
+ char name[16];\
+ snprintf(name, sizeof(name), "%d", rate);
- snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%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);
+DEF_CHOOSE_FORMAT(int, sample_rate, supported_samplerates, 0,
+ GET_SAMPLE_RATE_NAME, ",")
- ret = avfilter_graph_create_filter(&fg->inputs[0]->filter,
- avfilter_get_by_name("buffer"),
- "src", args, NULL, fg->graph);
- if (ret < 0)
- return ret;
- ret = avfilter_graph_create_filter(&fg->outputs[0]->filter, &sink,
- "out", NULL, &sink_ctx, fg->graph);
- if (ret < 0)
- return ret;
- last_filter = fg->inputs[0]->filter;
+#define GET_CH_LAYOUT_NAME(ch_layout)\
+ char name[16];\
+ snprintf(name, sizeof(name), "0x%"PRIx64, ch_layout);
- if (codec->width || codec->height) {
- snprintf(args, 255, "%d:%d:flags=0x%X",
- codec->width,
- codec->height,
- (unsigned)ost->sws_flags);
- if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
- NULL, args, NULL, fg->graph)) < 0)
- return ret;
- if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
- return ret;
- last_filter = filter;
- }
-
- snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
- fg->graph->scale_sws_opts = av_strdup(args);
-
- if (ost->avfilter) {
- AVFilterInOut *outputs = avfilter_inout_alloc();
- AVFilterInOut *inputs = avfilter_inout_alloc();
-
- outputs->name = av_strdup("in");
- outputs->filter_ctx = last_filter;
- outputs->pad_idx = 0;
- outputs->next = NULL;
-
- inputs->name = av_strdup("out");
- inputs->filter_ctx = fg->outputs[0]->filter;
- inputs->pad_idx = 0;
- inputs->next = NULL;
-
- if ((ret = avfilter_graph_parse(fg->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
- return ret;
- } else {
- if ((ret = avfilter_link(last_filter, 0, fg->outputs[0]->filter, 0)) < 0)
- return ret;
- }
-
- if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0)
- return ret;
-
- ost->filter = fg->outputs[0];
-
- return 0;
-}
+DEF_CHOOSE_FORMAT(uint64_t, channel_layout, channel_layouts, 0,
+ GET_CH_LAYOUT_NAME, ",")
static FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost)
{
fg->outputs[0]->ost = ost;
fg->outputs[0]->graph = fg;
+ ost->filter = fg->outputs[0];
+
fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs), &fg->nb_inputs,
fg->nb_inputs + 1);
if (!(fg->inputs[0] = av_mallocz(sizeof(*fg->inputs[0]))))
static void init_input_filter(FilterGraph *fg, AVFilterInOut *in)
{
InputStream *ist;
- enum AVMediaType type = in->filter_ctx->input_pads[in->pad_idx].type;
+ enum AVMediaType type = avfilter_pad_get_type(in->filter_ctx->input_pads, in->pad_idx);
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)
{
- SinkContext sink_ctx;
- AVCodecContext *codec = ofilter->ost->st->codec;
+ char *pix_fmts;
+ OutputStream *ost = ofilter->ost;
+ AVCodecContext *codec = ost->st->codec;
AVFilterContext *last_filter = out->filter_ctx;
int pad_idx = out->pad_idx;
int ret;
- sink_ctx.pix_fmts = choose_pixel_fmts(ofilter->ost);
- ret = avfilter_graph_create_filter(&ofilter->filter, &sink,
- "out", NULL, &sink_ctx, fg->graph);
+ ret = avfilter_graph_create_filter(&ofilter->filter,
+ avfilter_get_by_name("buffersink"),
+ "out", NULL, pix_fmts, fg->graph);
if (ret < 0)
return ret;
if (codec->width || codec->height) {
char args[255];
+ AVFilterContext *filter;
+
snprintf(args, sizeof(args), "%d:%d:flags=0x%X",
codec->width,
codec->height,
- (unsigned)ofilter->ost->sws_flags);
- if ((ret = avfilter_graph_create_filter(&last_filter, avfilter_get_by_name("scale"),
+ (unsigned)ost->sws_flags);
+ if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
NULL, args, NULL, fg->graph)) < 0)
return ret;
- if ((ret = avfilter_link(out->filter_ctx, out->pad_idx, last_filter, 0)) < 0)
+ if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0)
return ret;
+
+ last_filter = filter;
+ pad_idx = 0;
+ }
+
+ if ((pix_fmts = choose_pix_fmts(ost))) {
+ AVFilterContext *filter;
+ 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(last_filter, pad_idx, filter, 0)) < 0)
+ return ret;
+
+ last_filter = filter;
+ pad_idx = 0;
+ av_freep(&pix_fmts);
+ }
+
+ if (ost->frame_rate.num) {
+ AVFilterContext *fps;
+ char args[255];
+
+ snprintf(args, sizeof(args), "fps=%d/%d", ost->frame_rate.num,
+ ost->frame_rate.den);
+ ret = avfilter_graph_create_filter(&fps, avfilter_get_by_name("fps"),
+ "fps", args, NULL, fg->graph);
+ if (ret < 0)
+ return ret;
+
+ ret = avfilter_link(last_filter, pad_idx, fps, 0);
+ if (ret < 0)
+ return ret;
+ last_filter = fps;
pad_idx = 0;
}
return 0;
}
-static int configure_complex_filter(FilterGraph *fg)
+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;
+}
+
+#define DESCRIBE_FILTER_LINK(f, inout, in) \
+{ \
+ AVFilterContext *ctx = inout->filter_ctx; \
+ AVFilterPad *pads = in ? ctx->input_pads : ctx->output_pads; \
+ int nb_pads = in ? ctx->input_count : ctx->output_count; \
+ AVIOContext *pb; \
+ \
+ if (avio_open_dyn_buf(&pb) < 0) \
+ exit_program(1); \
+ \
+ avio_printf(pb, "%s", ctx->filter->name); \
+ if (nb_pads > 1) \
+ avio_printf(pb, ":%s", avfilter_pad_get_name(pads, inout->pad_idx));\
+ avio_w8(pb, 0); \
+ avio_close_dyn_buf(pb, &f->name); \
+}
+
+static int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
+{
+ av_freep(&ofilter->name);
+ DESCRIBE_FILTER_LINK(ofilter, out, 0);
+
+ switch (avfilter_pad_get_type(out->filter_ctx->output_pads, out->pad_idx)) {
+ 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_input_video_filter(FilterGraph *fg, InputFilter *ifilter,
+ AVFilterInOut *in)
+{
+ AVFilterContext *first_filter = in->filter_ctx;
+ AVFilter *filter = avfilter_get_by_name("buffer");
+ InputStream *ist = ifilter->ist;
+ AVRational tb = ist->framerate.num ? (AVRational){ist->framerate.den,
+ ist->framerate.num} :
+ ist->st->time_base;
+ AVRational sar;
+ char args[255];
+ int pad_idx = in->pad_idx;
+ int ret;
+
+ 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,
+ tb.num, tb.den, sar.num, sar.den);
+
+ if ((ret = avfilter_graph_create_filter(&ifilter->filter, filter, in->name,
+ args, NULL, fg->graph)) < 0)
+ return ret;
+
+ if (ist->framerate.num) {
+ AVFilterContext *setpts;
+
+ if ((ret = avfilter_graph_create_filter(&setpts,
+ avfilter_get_by_name("setpts"),
+ "setpts", "N", NULL,
+ fg->graph)) < 0)
+ return ret;
+
+ if ((ret = avfilter_link(setpts, 0, first_filter, pad_idx)) < 0)
+ return ret;
+
+ first_filter = setpts;
+ pad_idx = 0;
+ }
+
+ if ((ret = avfilter_link(ifilter->filter, 0, first_filter, pad_idx)) < 0)
+ return ret;
+ return 0;
+}
+
+static int configure_input_audio_filter(FilterGraph *fg, InputFilter *ifilter,
+ AVFilterInOut *in)
+{
+ AVFilterContext *first_filter = in->filter_ctx;
+ AVFilter *filter = avfilter_get_by_name("abuffer");
+ InputStream *ist = ifilter->ist;
+ int pad_idx = in->pad_idx;
+ char args[255];
+ int ret;
+
+ 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);
+
+ if ((ret = avfilter_graph_create_filter(&ifilter->filter, filter,
+ in->name, args, NULL,
+ fg->graph)) < 0)
+ return ret;
+
+ 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(async, 0, first_filter, pad_idx);
+ if (ret < 0)
+ return ret;
+
+ first_filter = async;
+ pad_idx = 0;
+ }
+ if ((ret = avfilter_link(ifilter->filter, 0, first_filter, pad_idx)) < 0)
+ return ret;
+
+ return 0;
+}
+
+static int configure_input_filter(FilterGraph *fg, InputFilter *ifilter,
+ AVFilterInOut *in)
+{
+ av_freep(&ifilter->name);
+ DESCRIBE_FILTER_LINK(ifilter, in, 1);
+
+ switch (avfilter_pad_get_type(in->filter_ctx->input_pads, in->pad_idx)) {
+ case AVMEDIA_TYPE_VIDEO: return configure_input_video_filter(fg, ifilter, in);
+ case AVMEDIA_TYPE_AUDIO: return configure_input_audio_filter(fg, ifilter, in);
+ default: av_assert0(0);
+ }
+}
+
+static int configure_filtergraph(FilterGraph *fg)
{
AVFilterInOut *inputs, *outputs, *cur;
- int ret, i, init = !fg->graph;
+ int ret, i, init = !fg->graph, simple = !fg->graph_desc;
+ const char *graph_desc = simple ? fg->outputs[0]->ost->avfilter :
+ fg->graph_desc;
avfilter_graph_free(&fg->graph);
if (!(fg->graph = avfilter_graph_alloc()))
return AVERROR(ENOMEM);
- if ((ret = avfilter_graph_parse2(fg->graph, fg->graph_desc, &inputs, &outputs)) < 0)
+ if (simple) {
+ OutputStream *ost = fg->outputs[0]->ost;
+ char args[255];
+ snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
+ fg->graph->scale_sws_opts = av_strdup(args);
+ }
+
+ if ((ret = avfilter_graph_parse2(fg->graph, graph_desc, &inputs, &outputs)) < 0)
return ret;
- for (cur = inputs; init && cur; cur = cur->next)
+ if (simple && (!inputs || inputs->next || !outputs || outputs->next)) {
+ av_log(NULL, AV_LOG_ERROR, "Simple filtergraph '%s' does not have "
+ "exactly one input and output.\n", graph_desc);
+ return AVERROR(EINVAL);
+ }
+
+ for (cur = inputs; !simple && init && cur; cur = cur->next)
init_input_filter(fg, cur);
- for (cur = inputs, i = 0; cur; cur = cur->next, i++) {
- InputFilter *ifilter = fg->inputs[i];
- InputStream *ist = ifilter->ist;
- AVRational sar;
- 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);
-
- if ((ret = avfilter_graph_create_filter(&ifilter->filter,
- avfilter_get_by_name("buffer"), cur->name,
- args, NULL, fg->graph)) < 0)
- return ret;
- if ((ret = avfilter_link(ifilter->filter, 0,
- cur->filter_ctx, cur->pad_idx)) < 0)
+ for (cur = inputs, i = 0; cur; cur = cur->next, i++)
+ if ((ret = configure_input_filter(fg, fg->inputs[i], cur)) < 0)
return ret;
- }
avfilter_inout_free(&inputs);
- if (!init) {
+ if (!init || simple) {
/* we already know the mappings between lavfi outputs and output streams,
* so we can finish the setup */
for (cur = outputs, i = 0; cur; cur = cur->next, i++)
for (i = 0; i < nb_filtergraphs; i++)
if (!filtergraphs[i]->graph &&
- (ret = configure_complex_filter(filtergraphs[i])) < 0)
+ (ret = configure_filtergraph(filtergraphs[i])) < 0)
return ret;
return 0;
}
-static int configure_filtergraph(FilterGraph *fg)
-{
- return fg->graph_desc ? configure_complex_filter(fg) : configure_video_filters(fg);
-}
-
static int ist_in_filtergraph(FilterGraph *fg, InputStream *ist)
{
int i;
for (i = 0; i < nb_filtergraphs; i++) {
avfilter_graph_free(&filtergraphs[i]->graph);
- for (j = 0; j < filtergraphs[i]->nb_inputs; j++)
+ for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
+ av_freep(&filtergraphs[i]->inputs[j]->name);
av_freep(&filtergraphs[i]->inputs[j]);
+ }
av_freep(&filtergraphs[i]->inputs);
- for (j = 0; j < filtergraphs[i]->nb_outputs; j++)
+ for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
+ av_freep(&filtergraphs[i]->outputs[j]->name);
av_freep(&filtergraphs[i]->outputs[j]);
+ }
av_freep(&filtergraphs[i]->outputs);
av_freep(&filtergraphs[i]);
}
}
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]->avfilter);
av_freep(&output_streams[i]->filtered_frame);
av_freep(&output_streams[i]);
for (i = 0; i < nb_input_streams; i++) {
av_freep(&input_streams[i]->decoded_frame);
av_dict_free(&input_streams[i]->opts);
- free_buffer_pool(input_streams[i]);
+ free_buffer_pool(&input_streams[i]->buffer_pool);
av_freep(&input_streams[i]->filters);
av_freep(&input_streams[i]);
}
av_freep(&output_files);
uninit_opts();
- av_free(audio_buf);
- allocated_audio_buf_size = 0;
- av_free(async_buf);
- allocated_async_buf_size = 0;
avfilter_uninit();
avformat_network_deinit();
}
}
-static void choose_sample_fmt(AVStream *st, AVCodec *codec)
-{
- if (codec && codec->sample_fmts) {
- const enum AVSampleFormat *p = codec->sample_fmts;
- for (; *p != -1; p++) {
- if (*p == st->codec->sample_fmt)
- break;
- }
- if (*p == -1) {
- av_log(NULL, AV_LOG_WARNING,
- "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
- av_get_sample_fmt_name(st->codec->sample_fmt),
- codec->name,
- av_get_sample_fmt_name(codec->sample_fmts[0]));
- st->codec->sample_fmt = codec->sample_fmts[0];
- }
- }
-}
-
/**
* Update the requested input sample format based on the output sample format.
* This is currently only used to request float output from decoders which
}
}
-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) {
- av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
- }
- 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;
return 1;
}
-static void get_default_channel_layouts(OutputStream *ost, InputStream *ist)
-{
- 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);
-
- 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);
- }
-}
-
-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) {
- 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\n");
- exit_program(1);
- }
-
- if (!check_recording_time(ost))
- return 0;
+ if (!check_recording_time(ost))
+ return;
+ 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;
if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
exit_program(1);
audio_size += pkt.size;
}
-
- return pkt.size;
-}
-
-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 + 16; // 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;
-
- int size_out, frame_bytes, resample_changed, ret;
- 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 = decoded_frame->data[0];
- int size = decoded_frame->nb_samples * dec->channels * isize;
- int out_linesize = 0;
- int buf_linesize = decoded_frame->linesize[0];
-
- 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->avr) || resample_changed) {
- 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;
- if (ost->avr)
- avresample_close(ost->avr);
- }
- /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
- if (audio_sync_method <= 1 &&
- 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->audio_resample = 0;
- } else if (ost->audio_resample) {
- if (!ost->avr) {
- ost->avr = avresample_alloc_context();
- if (!ost->avr) {
- av_log(NULL, AV_LOG_FATAL, "Error allocating context for libavresample\n");
- exit_program(1);
- }
- }
-
- av_opt_set_int(ost->avr, "in_channel_layout", dec->channel_layout, 0);
- av_opt_set_int(ost->avr, "in_sample_fmt", dec->sample_fmt, 0);
- av_opt_set_int(ost->avr, "in_sample_rate", dec->sample_rate, 0);
- av_opt_set_int(ost->avr, "out_channel_layout", enc->channel_layout, 0);
- av_opt_set_int(ost->avr, "out_sample_fmt", enc->sample_fmt, 0);
- av_opt_set_int(ost->avr, "out_sample_rate", enc->sample_rate, 0);
- if (audio_sync_method > 1)
- av_opt_set_int(ost->avr, "force_resampling", 1, 0);
-
- /* if both the input and output formats are s16 or u8, use s16 as
- the internal sample format */
- if (av_get_bytes_per_sample(dec->sample_fmt) <= 2 &&
- av_get_bytes_per_sample(enc->sample_fmt) <= 2) {
- av_opt_set_int(ost->avr, "internal_sample_fmt", AV_SAMPLE_FMT_S16P, 0);
- }
-
- ret = avresample_open(ost->avr);
- if (ret < 0) {
- av_log(NULL, AV_LOG_FATAL, "Error opening libavresample\n");
- exit_program(1);
- }
- }
- }
-
- if (audio_sync_method > 0) {
- double delta = get_sync_ipts(ost, ist->last_dts) * 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;
- buf -= byte_delta;
- 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;
-
- generate_silence(async_buf, dec->sample_fmt, byte_delta);
- memcpy(async_buf + byte_delta, buf, size);
- buf = async_buf;
- size += byte_delta;
- buf_linesize = allocated_async_buf_size;
- 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));
- avresample_set_compensation(ost->avr, comp, enc->sample_rate);
- }
- }
- } else if (audio_sync_method == 0)
- ost->sync_opts = lrintf(get_sync_ipts(ost, ist->last_dts) * enc->sample_rate) -
- av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
-
- if (ost->audio_resample) {
- buftmp = audio_buf;
- size_out = avresample_convert(ost->avr, (void **)&buftmp,
- allocated_audio_buf_size, out_linesize,
- (void **)&buf, buf_linesize,
- size / (dec->channels * isize));
- size_out = size_out * enc->channels * osize;
- } else {
- buftmp = buf;
- size_out = size;
- }
-
- /* 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);
- }
- 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);
- }
}
static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
AVFrame *in_picture,
int *frame_size, float quality)
{
- int nb_frames, i, ret, format_video_sync;
- AVCodecContext *enc;
- double sync_ipts, delta;
-
- enc = ost->st->codec;
-
- sync_ipts = get_sync_ipts(ost, in_picture->pts) / av_q2d(enc->time_base);
- delta = sync_ipts - ost->sync_opts;
-
- /* by default, we output a single frame */
- nb_frames = 1;
+ int ret, format_video_sync;
+ AVPacket pkt;
+ AVCodecContext *enc = ost->st->codec;
*frame_size = 0;
if (format_video_sync == VSYNC_AUTO)
format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
(s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
-
- switch (format_video_sync) {
- case VSYNC_CFR:
- // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
- if (delta < -1.1)
- nb_frames = 0;
- else if (delta > 1.1)
- nb_frames = lrintf(delta);
- break;
- case VSYNC_VFR:
- if (delta <= -0.6)
- nb_frames = 0;
- else if (delta > 0.6)
- ost->sync_opts = lrintf(sync_ipts);
- break;
- case VSYNC_PASSTHROUGH:
- ost->sync_opts = lrintf(sync_ipts);
- break;
- default:
- av_assert0(0);
- }
-
- nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
- if (nb_frames == 0) {
+ if (format_video_sync != VSYNC_PASSTHROUGH &&
+ ost->frame_number &&
+ in_picture->pts != AV_NOPTS_VALUE &&
+ in_picture->pts < ost->sync_opts) {
nb_frames_drop++;
av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
return;
- } else if (nb_frames > 1) {
- nb_frames_dup += nb_frames - 1;
- av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
}
+ if (in_picture->pts == AV_NOPTS_VALUE)
+ in_picture->pts = ost->sync_opts;
+ ost->sync_opts = in_picture->pts;
+
+
if (!ost->frame_number)
- ost->first_pts = ost->sync_opts;
+ ost->first_pts = in_picture->pts;
- /* duplicates frame if needed */
- for (i = 0; i < nb_frames; i++) {
- AVPacket pkt;
- av_init_packet(&pkt);
- pkt.data = NULL;
- pkt.size = 0;
+ av_init_packet(&pkt);
+ pkt.data = NULL;
+ pkt.size = 0;
- if (!check_recording_time(ost))
- return;
+ if (!check_recording_time(ost) ||
+ ost->frame_number >= ost->max_frames)
+ return;
- 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;
+ 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;
- 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;
- }
+ 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;
- 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++;
- }
- ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
- if (ret < 0) {
- av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
- exit_program(1);
- }
+ /* 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++;
+ }
+ ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
+ if (ret < 0) {
+ av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
+ exit_program(1);
+ }
- 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)
- pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
+ 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)
+ pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
- write_frame(s, &pkt, ost);
- *frame_size = pkt.size;
- video_size += pkt.size;
+ write_frame(s, &pkt, ost);
+ *frame_size = pkt.size;
+ video_size += pkt.size;
- /* if two pass, output log */
- if (ost->logfile && enc->stats_out) {
- fprintf(ost->logfile, "%s", enc->stats_out);
- }
+ /* 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++;
}
static double psnr(double d)
{
AVFilterBufferRef *picref;
AVFrame *filtered_frame = NULL;
- int i, frame_size, ret;
+ int i, frame_size;
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)
+ if (!ost->filter)
continue;
if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
avcodec_get_frame_defaults(ost->filtered_frame);
filtered_frame = ost->filtered_frame;
- while (avfilter_poll_frame(ost->filter->filter->inputs[0])) {
- AVRational ist_pts_tb;
- if ((ret = get_filtered_video_frame(ost->filter->filter,
- filtered_frame, &picref,
- &ist_pts_tb)) < 0)
- return ret;
- filtered_frame->pts = av_rescale_q(picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
+ while (ret >= 0 && !ost->is_past_recording_time) {
+ 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
+ ret = av_buffersink_read(ost->filter->filter, &picref);
+
+ if (ret < 0)
+ break;
- if (of->start_time && filtered_frame->pts < of->start_time)
- return 0;
+ avfilter_copy_buf_props(filtered_frame, picref);
+ if (picref->pts != AV_NOPTS_VALUE)
+ filtered_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 < of->start_time) {
+ avfilter_unref_buffer(picref);
+ continue;
+ }
switch (ost->filter->filter->inputs[0]->type) {
case AVMEDIA_TYPE_VIDEO:
if (vstats_filename && frame_size)
do_video_stats(of->ctx, ost, frame_size);
break;
+ case AVMEDIA_TYPE_AUDIO:
+ 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);
-
- /* pad last frame with silence if needed */
- if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
- frame_bytes = enc->frame_size * enc->channels *
- av_get_bytes_per_sample(enc->sample_fmt);
- if (allocated_audio_buf_size < frame_bytes)
- exit_program(1);
- generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
- }
- 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:
- ret = avcodec_encode_video2(enc, &pkt, NULL, &got_packet);
+ 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;
+
+ ret = encode(enc, &pkt, NULL, &got_packet);
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 += ret;
+ *size += ret;
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_buffer(ist->filters[i]->filter, NULL);
return ret;
}
the decoder could be delaying output by a packet or more. */
if (decoded_frame->pts != AV_NOPTS_VALUE)
ist->next_dts = decoded_frame->pts;
-
- /* 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_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
- avctx->sample_rate;
+ else if (pkt->pts != AV_NOPTS_VALUE) {
+ decoded_frame->pts = pkt->pts;
+ pkt->pts = AV_NOPTS_VALUE;
+ }
// preprocess audio (volume)
if (audio_volume != 256) {
rate_emu_sleep(ist);
- for (i = 0; i < nb_output_streams; i++) {
- OutputStream *ost = output_streams[i];
+ 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 (!check_output_constraints(ist, ost) || !ost->encoding_needed)
- continue;
- do_audio_out(output_files[ost->file_index]->ctx, ost, ist, decoded_frame);
+ 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;
+
+ 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);
+
+ 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);
+
+ 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_write_frame(ist->filters[i]->filter, decoded_frame);
+
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->last_dts;
- *pkt_pts = AV_NOPTS_VALUE;
ret = avcodec_decode_video2(ist->st->codec,
decoded_frame, got_output, pkt);
buf->refcount++;
av_buffersrc_buffer(ist->filters[i]->filter, fb);
} else
- av_vsrc_buffer_add_frame(ist->filters[i]->filter, decoded_frame,
- decoded_frame->pts, decoded_frame->sample_aspect_ratio);
+ av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
}
av_free(buffer_to_free);
{
int i;
int got_output;
- int64_t pkt_pts = AV_NOPTS_VALUE;
AVPacket avpkt;
if (ist->next_dts == AV_NOPTS_VALUE)
if (pkt->dts != AV_NOPTS_VALUE)
ist->next_dts = ist->last_dts = 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)
ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
else if (ist->st->r_frame_rate.num)
if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
ist->st->codec->get_buffer = codec_get_buffer;
ist->st->codec->release_buffer = codec_release_buffer;
- ist->st->codec->opaque = ist;
+ ist->st->codec->opaque = &ist->buffer_pool;
}
if (!av_dict_get(ist->opts, "threads", NULL, 0))
}
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->last_dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
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);
+ /*
+ * We want CFR output if and only if one of those is true:
+ * 1) user specified output framerate with -r
+ * 2) user specified -vsync cfr
+ * 3) output format is CFR and the user didn't force vsync to
+ * something else than CFR
+ *
+ * in such a case, set ost->frame_rate
+ */
+ if (codec->codec_type == AVMEDIA_TYPE_VIDEO &&
+ !ost->frame_rate.num && ist &&
+ (video_sync_method == VSYNC_CFR ||
+ (video_sync_method == VSYNC_AUTO &&
+ !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
+ 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 (!codec->channels)
- codec->channels = icodec->channels;
- if (!codec->channel_layout)
- codec->channel_layout = icodec->channel_layout;
- if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
- codec->channel_layout = 0;
-
- 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_filtergraph(fg)) {
av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
exit(1);
}
- }
+ }
- /*
- * We want CFR output if and only if one of those is true:
- * 1) user specified output framerate with -r
- * 2) user specified -vsync cfr
- * 3) output format is CFR and the user didn't force vsync to
- * something else than CFR
- *
- * in such a case, set ost->frame_rate
- */
- if (!ost->frame_rate.num && ist &&
- (video_sync_method == VSYNC_CFR ||
- (video_sync_method == VSYNC_AUTO &&
- !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
- 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 (ost->frame_rate.num) {
- codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
- video_sync_method = VSYNC_CFR;
- } else if (ist)
- codec->time_base = ist->st->time_base;
- else
- codec->time_base = ost->filter->filter->inputs[0]->time_base;
+ 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 = ost->filter->filter->inputs[0]->time_base;
codec->width = ost->filter->filter->inputs[0]->w;
codec->height = ost->filter->filter->inputs[0]->h;
for (i = 0; i < nb_output_files; i++) {
oc = output_files[i]->ctx;
oc->interrupt_callback = int_cb;
- if (avformat_write_header(oc, &output_files[i]->opts) < 0) {
- snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
+ if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
+ char errbuf[128];
+ const char *errbuf_ptr = errbuf;
+ if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
+ errbuf_ptr = strerror(AVUNERROR(ret));
+ snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
ret = AVERROR(EINVAL);
goto dump_format;
}
ist = input_streams[i];
for (j = 0; j < ist->nb_filters; j++) {
- AVFilterLink *link = ist->filters[j]->filter->outputs[0];
if (ist->filters[j]->graph->graph_desc) {
av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
- link->dst->filter->name);
- if (link->dst->input_count > 1)
- av_log(NULL, AV_LOG_INFO, ":%s", link->dstpad->name);
+ ist->filters[j]->name);
if (nb_filtergraphs > 1)
av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
av_log(NULL, AV_LOG_INFO, "\n");
if (ost->filter && ost->filter->graph->graph_desc) {
/* output from a complex graph */
- AVFilterLink *link = ost->filter->filter->inputs[0];
- av_log(NULL, AV_LOG_INFO, " %s", link->src->filter->name);
- if (link->src->output_count > 1)
- av_log(NULL, AV_LOG_INFO, ":%s", link->srcpad->name);
+ av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
if (nb_filtergraphs > 1)
av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
return 0;
}
+/**
+ * @return 1 if there are still streams where more output is wanted,
+ * 0 otherwise
+ */
+static int need_output(void)
+{
+ int i;
+
+ for (i = 0; i < nb_output_streams; i++) {
+ OutputStream *ost = output_streams[i];
+ OutputFile *of = output_files[ost->file_index];
+ AVFormatContext *os = output_files[ost->file_index]->ctx;
+
+ if (ost->is_past_recording_time ||
+ (os->pb && avio_tell(os->pb) >= of->limit_filesize))
+ continue;
+ if (ost->frame_number >= ost->max_frames) {
+ int j;
+ for (j = 0; j < of->ctx->nb_streams; j++)
+ output_streams[of->ost_index + j]->is_past_recording_time = 1;
+ continue;
+ }
+
+ return 1;
+ }
+
+ return 0;
+}
+
+static int select_input_file(uint8_t *no_packet)
+{
+ int64_t ipts_min = INT64_MAX;
+ int i, file_index = -1;
+
+ for (i = 0; i < nb_input_streams; i++) {
+ InputStream *ist = input_streams[i];
+ int64_t ipts = ist->last_dts;
+
+ if (ist->discard || no_packet[ist->file_index])
+ continue;
+ if (!input_files[ist->file_index]->eof_reached) {
+ if (ipts < ipts_min) {
+ ipts_min = ipts;
+ file_index = ist->file_index;
+ }
+ }
+ }
+
+ return file_index;
+}
+
+#if HAVE_PTHREADS
+static void *input_thread(void *arg)
+{
+ InputFile *f = arg;
+ int ret = 0;
+
+ while (!transcoding_finished && ret >= 0) {
+ AVPacket pkt;
+ ret = av_read_frame(f->ctx, &pkt);
+
+ if (ret == AVERROR(EAGAIN)) {
+ usleep(10000);
+ ret = 0;
+ continue;
+ } else if (ret < 0)
+ break;
+
+ pthread_mutex_lock(&f->fifo_lock);
+ while (!av_fifo_space(f->fifo))
+ pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
+
+ av_dup_packet(&pkt);
+ av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
+
+ pthread_mutex_unlock(&f->fifo_lock);
+ }
+
+ f->finished = 1;
+ return NULL;
+}
+
+static void free_input_threads(void)
+{
+ int i;
+
+ if (nb_input_files == 1)
+ return;
+
+ transcoding_finished = 1;
+
+ for (i = 0; i < nb_input_files; i++) {
+ InputFile *f = input_files[i];
+ AVPacket pkt;
+
+ if (!f->fifo || f->joined)
+ continue;
+
+ pthread_mutex_lock(&f->fifo_lock);
+ while (av_fifo_size(f->fifo)) {
+ av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
+ av_free_packet(&pkt);
+ }
+ pthread_cond_signal(&f->fifo_cond);
+ pthread_mutex_unlock(&f->fifo_lock);
+
+ pthread_join(f->thread, NULL);
+ f->joined = 1;
+
+ while (av_fifo_size(f->fifo)) {
+ av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
+ av_free_packet(&pkt);
+ }
+ av_fifo_free(f->fifo);
+ }
+}
+
+static int init_input_threads(void)
+{
+ int i, ret;
+
+ if (nb_input_files == 1)
+ return 0;
+
+ for (i = 0; i < nb_input_files; i++) {
+ InputFile *f = input_files[i];
+
+ if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
+ return AVERROR(ENOMEM);
+
+ pthread_mutex_init(&f->fifo_lock, NULL);
+ pthread_cond_init (&f->fifo_cond, NULL);
+
+ if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
+ return AVERROR(ret);
+ }
+ return 0;
+}
+
+static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
+{
+ int ret = 0;
+
+ pthread_mutex_lock(&f->fifo_lock);
+
+ if (av_fifo_size(f->fifo)) {
+ av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
+ pthread_cond_signal(&f->fifo_cond);
+ } else {
+ if (f->finished)
+ ret = AVERROR_EOF;
+ else
+ ret = AVERROR(EAGAIN);
+ }
+
+ pthread_mutex_unlock(&f->fifo_lock);
+
+ return ret;
+}
+#endif
+
+static int get_input_packet(InputFile *f, AVPacket *pkt)
+{
+#if HAVE_PTHREADS
+ if (nb_input_files > 1)
+ return get_input_packet_mt(f, pkt);
+#endif
+ return av_read_frame(f->ctx, pkt);
+}
+
/*
* The following code is the main loop of the file converter
*/
timer_start = av_gettime();
+#if HAVE_PTHREADS
+ if ((ret = init_input_threads()) < 0)
+ goto fail;
+#endif
+
for (; received_sigterm == 0;) {
- int file_index, ist_index, past_recording_time = 1;
+ int file_index, ist_index;
AVPacket pkt;
- int64_t ipts_min;
-
- ipts_min = INT64_MAX;
/* check if there's any stream where output is still needed */
- for (i = 0; i < nb_output_streams; i++) {
- OutputFile *of;
- ost = output_streams[i];
- of = output_files[ost->file_index];
- os = output_files[ost->file_index]->ctx;
- if (ost->is_past_recording_time ||
- (os->pb && avio_tell(os->pb) >= of->limit_filesize))
- continue;
- if (ost->frame_number > ost->max_frames) {
- int j;
- for (j = 0; j < of->ctx->nb_streams; j++)
- output_streams[of->ost_index + j]->is_past_recording_time = 1;
- continue;
- }
- past_recording_time = 0;
- }
- if (past_recording_time)
+ if (!need_output()) {
+ av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
break;
-
- /* select the stream that we must read now by looking at the
- smallest output pts */
- file_index = -1;
- for (i = 0; i < nb_input_streams; i++) {
- int64_t ipts;
- ist = input_streams[i];
- ipts = ist->last_dts;
- if (ist->discard || no_packet[ist->file_index])
- continue;
- if (!input_files[ist->file_index]->eof_reached) {
- if (ipts < ipts_min) {
- ipts_min = ipts;
- file_index = ist->file_index;
- }
- }
}
+
+ /* select the stream that we must read now */
+ file_index = select_input_file(no_packet);
/* if none, if is finished */
if (file_index < 0) {
if (no_packet_count) {
usleep(10000);
continue;
}
+ av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
break;
}
- /* read a frame from it and output it in the fifo */
is = input_files[file_index]->ctx;
- ret = av_read_frame(is, &pkt);
+ ret = get_input_packet(input_files[file_index], &pkt);
+
if (ret == AVERROR(EAGAIN)) {
no_packet[file_index] = 1;
no_packet_count++;
/* dump report by using the output first video and audio streams */
print_report(0, timer_start);
}
+#if HAVE_PTHREADS
+ free_input_threads();
+#endif
/* at the end of stream, we must flush the decoder buffers */
for (i = 0; i < nb_input_streams; i++) {
fail:
av_freep(&no_packet);
+#if HAVE_PTHREADS
+ free_input_threads();
+#endif
if (output_streams) {
for (i = 0; i < nb_output_streams; i++) {
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);
- if (ost->avr)
- avresample_free(&ost->avr);
av_dict_free(&ost->opts);
}
}
AVStream *st = ic->streams[i];
AVCodecContext *dec = st->codec;
InputStream *ist = av_mallocz(sizeof(*ist));
+ char *framerate = NULL;
if (!ist)
exit_program(1);
ist->resample_width = dec->width;
ist->resample_pix_fmt = dec->pix_fmt;
+ MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
+ if (framerate && av_parse_video_rate(&ist->framerate,
+ framerate) < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
+ framerate);
+ exit_program(1);
+ }
+
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:
case AVMEDIA_TYPE_ATTACHMENT:
}
}
if (o->nb_frame_rates) {
- av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
+ /* set the format-level framerate option;
+ * this is important for video grabbers, e.g. x11 */
+ if (file_iformat && file_iformat->priv_class &&
+ av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
+ AV_OPT_SEARCH_FAKE_OBJ)) {
+ av_dict_set(&format_opts, "framerate",
+ o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
+ }
}
if (o->nb_frame_sizes) {
av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
const char *p = NULL;
char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
- char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
+ char *intra_matrix = NULL, *inter_matrix = NULL;
+ const char *filters = "null";
int i;
MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
- if (filters)
- ost->avfilter = av_strdup(filters);
+ ost->avfilter = av_strdup(filters);
} else {
MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
}
if (!ost->stream_copy) {
char *sample_fmt = NULL;
+ const char *filters = "anull";
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);
+
+ MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
+ ost->avfilter = av_strdup(filters);
}
return ost;
{
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 (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
+ ofilter->out_tmp->pad_idx)) {
+ case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
+ case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); 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);
ost->source_index = -1;
ost->filter = ofilter;
if (!ofilter->out_tmp || ofilter->out_tmp->name)
continue;
- switch (ofilter->out_tmp->filter_ctx->output_pads[ofilter->out_tmp->pad_idx].type) {
+ switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
+ ofilter->out_tmp->pad_idx)) {
case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
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;
static int opt_cpuflags(const char *opt, const char *arg)
{
-#define CPUFLAG_MMX2 (AV_CPU_FLAG_MMX | AV_CPU_FLAG_MMX2)
-#define CPUFLAG_3DNOW (AV_CPU_FLAG_3DNOW | AV_CPU_FLAG_MMX)
-#define CPUFLAG_3DNOWEXT (AV_CPU_FLAG_3DNOWEXT | CPUFLAG_3DNOW)
-#define CPUFLAG_SSE (AV_CPU_FLAG_SSE | CPUFLAG_MMX2)
-#define CPUFLAG_SSE2 (AV_CPU_FLAG_SSE2 | CPUFLAG_SSE)
-#define CPUFLAG_SSE2SLOW (AV_CPU_FLAG_SSE2SLOW | CPUFLAG_SSE2)
-#define CPUFLAG_SSE3 (AV_CPU_FLAG_SSE3 | CPUFLAG_SSE2)
-#define CPUFLAG_SSE3SLOW (AV_CPU_FLAG_SSE3SLOW | CPUFLAG_SSE3)
-#define CPUFLAG_SSSE3 (AV_CPU_FLAG_SSSE3 | CPUFLAG_SSE3)
-#define CPUFLAG_SSE4 (AV_CPU_FLAG_SSE4 | CPUFLAG_SSSE3)
-#define CPUFLAG_SSE42 (AV_CPU_FLAG_SSE42 | CPUFLAG_SSE4)
-#define CPUFLAG_AVX (AV_CPU_FLAG_AVX | CPUFLAG_SSE42)
-#define CPUFLAG_XOP (AV_CPU_FLAG_XOP | CPUFLAG_AVX)
-#define CPUFLAG_FMA4 (AV_CPU_FLAG_FMA4 | CPUFLAG_AVX)
- static const AVOption cpuflags_opts[] = {
- { "flags" , NULL, 0, AV_OPT_TYPE_FLAGS, { 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
- { "altivec" , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_ALTIVEC }, .unit = "flags" },
- { "mmx" , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_MMX }, .unit = "flags" },
- { "mmx2" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_MMX2 }, .unit = "flags" },
- { "sse" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE }, .unit = "flags" },
- { "sse2" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE2 }, .unit = "flags" },
- { "sse2slow", NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE2SLOW }, .unit = "flags" },
- { "sse3" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE3 }, .unit = "flags" },
- { "sse3slow", NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE3SLOW }, .unit = "flags" },
- { "ssse3" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSSE3 }, .unit = "flags" },
- { "atom" , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_ATOM }, .unit = "flags" },
- { "sse4.1" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE4 }, .unit = "flags" },
- { "sse4.2" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE42 }, .unit = "flags" },
- { "avx" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_AVX }, .unit = "flags" },
- { "xop" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_XOP }, .unit = "flags" },
- { "fma4" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_FMA4 }, .unit = "flags" },
- { "3dnow" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_3DNOW }, .unit = "flags" },
- { "3dnowext", NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_3DNOWEXT }, .unit = "flags" },
-
- { "armv5te", NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_ARMV5TE }, .unit = "flags" },
- { "armv6", NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_ARMV6 }, .unit = "flags" },
- { "armv6t2", NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_ARMV6T2 }, .unit = "flags" },
- { "vfp", NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_VFP }, .unit = "flags" },
- { "vfpv3", NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_VFPV3 }, .unit = "flags" },
- { "neon", NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_NEON }, .unit = "flags" },
-
- { NULL },
- };
- static const AVClass class = {
- .class_name = "cpuflags",
- .item_name = av_default_item_name,
- .option = cpuflags_opts,
- .version = LIBAVUTIL_VERSION_INT,
- };
-
- int flags = 0, ret;
- const AVClass *pclass = &class;
-
- if ((ret = av_opt_eval_flags(&pclass, &cpuflags_opts[0], arg, &flags)) < 0)
- return ret;
+ int flags = av_parse_cpu_flags(arg);
+
+ if (flags < 0)
+ return flags;
av_set_cpu_flags_mask(flags);
return 0;
{ "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" },
{ "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