From: Michael Niedermayer <michaelni@gmx.at>
Date: Sat, 13 Oct 2012 13:00:13 +0000 (+0200)
Subject: Merge commit 'bc4620e5d61a4dd9a1f654fadd281a172aab04be'
X-Git-Url: https://git.sesse.net/?a=commitdiff_plain;h=b4ca1b159f4b7f0c3d1e4b2deab686bda934f3a2;p=ffmpeg

Merge commit 'bc4620e5d61a4dd9a1f654fadd281a172aab04be'

* commit 'bc4620e5d61a4dd9a1f654fadd281a172aab04be':
  Remove libmpeg2 #define remnants
  De-doxygenize some top-level files

Conflicts:
	ffmpeg.c
	ffmpeg.h
	ffmpeg_filter.c
	ffplay.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
---

b4ca1b159f4b7f0c3d1e4b2deab686bda934f3a2
diff --cc ffmpeg.c
index 7dbc4b74ede,4d9c7c0b7f0..97a1e4dff55
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@@ -975,94 -660,126 +975,94 @@@ static void do_video_stats(AVFormatCont
      }
  }
  
- /**
+ /*
 - * Read one frame for lavfi output for ost and encode it.
 + * Get and encode new output from any of the filtergraphs, without causing
 + * activity.
 + *
 + * @return  0 for success, <0 for severe errors
   */
 -static int poll_filter(OutputStream *ost)
 +static int reap_filters(void)
  {
 -    OutputFile    *of = output_files[ost->file_index];
      AVFilterBufferRef *picref;
      AVFrame *filtered_frame = NULL;
 -    int frame_size, ret;
 -
 -    if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
 -        return AVERROR(ENOMEM);
 -    } else
 -        avcodec_get_frame_defaults(ost->filtered_frame);
 -    filtered_frame = ost->filtered_frame;
 -
 -    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)
 -        return ret;
 -
 -    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 < 0) {
 -            avfilter_unref_buffer(picref);
 -            return 0;
 -        }
 -    }
 -
 -    switch (ost->filter->filter->inputs[0]->type) {
 -    case AVMEDIA_TYPE_VIDEO:
 -        if (!ost->frame_aspect_ratio)
 -            ost->st->codec->sample_aspect_ratio = picref->video->pixel_aspect;
 -
 -        do_video_out(of->ctx, ost, filtered_frame, &frame_size);
 -        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 subtitle filters
 -        av_assert0(0);
 -    }
 -
 -    avfilter_unref_buffer(picref);
 -
 -    return 0;
 -}
 -
 -/*
 - * Read as many frames from possible from lavfi and encode them.
 - *
 - * Always read from the active stream with the lowest timestamp. If no frames
 - * are available for it then return EAGAIN and wait for more input. This way we
 - * can use lavfi sources that generate unlimited amount of frames without memory
 - * usage exploding.
 - */
 -static int poll_filters(void)
 -{
 -    int i, j, ret = 0;
 -
 -    while (ret >= 0 && !received_sigterm) {
 -        OutputStream *ost = NULL;
 -        int64_t min_pts = INT64_MAX;
 +    int i;
 +    int64_t frame_pts;
  
 -        /* choose output stream with the lowest timestamp */
 -        for (i = 0; i < nb_output_streams; i++) {
 -            int64_t pts = output_streams[i]->sync_opts;
 +    /* 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 (!output_streams[i]->filter || output_streams[i]->finished)
 -                continue;
 +        if (!ost->filter)
 +            continue;
  
 -            pts = av_rescale_q(pts, output_streams[i]->st->codec->time_base,
 -                               AV_TIME_BASE_Q);
 -            if (pts < min_pts) {
 -                min_pts = pts;
 -                ost = output_streams[i];
 +        if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
 +            return AVERROR(ENOMEM);
 +        } else
 +            avcodec_get_frame_defaults(ost->filtered_frame);
 +        filtered_frame = ost->filtered_frame;
 +
 +        while (1) {
 +            ret = av_buffersink_get_buffer_ref(ost->filter->filter, &picref,
 +                                               AV_BUFFERSINK_FLAG_NO_REQUEST);
 +            if (ret < 0) {
 +                if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
 +                    char buf[256];
 +                    av_strerror(ret, buf, sizeof(buf));
 +                    av_log(NULL, AV_LOG_WARNING,
 +                           "Error in av_buffersink_get_buffer_ref(): %s\n", buf);
 +                }
 +                break;
              }
 -        }
 -
 -        if (!ost)
 -            break;
 -
 -        ret = poll_filter(ost);
 +            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 (ret == AVERROR_EOF) {
 -            OutputFile *of = output_files[ost->file_index];
  
 -            ost->finished = 1;
 +            switch (ost->filter->filter->inputs[0]->type) {
 +            case AVMEDIA_TYPE_VIDEO:
 +                avfilter_copy_buf_props(filtered_frame, picref);
 +                filtered_frame->pts = frame_pts;
 +                if (!ost->frame_aspect_ratio)
 +                    ost->st->codec->sample_aspect_ratio = picref->video->sample_aspect_ratio;
  
 -            if (of->shortest) {
 -                for (j = 0; j < of->ctx->nb_streams; j++)
 -                    output_streams[of->ost_index + j]->finished = 1;
 +                do_video_out(of->ctx, ost, filtered_frame);
 +                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 subtitle filters
 +                av_assert0(0);
              }
  
 -            ret = 0;
 -        } else if (ret == AVERROR(EAGAIN))
 -            return 0;
 +            avfilter_unref_buffer(picref);
 +        }
      }
  
 -    return ret;
 +    return 0;
  }
  
 -static void print_report(int is_last_report, int64_t timer_start)
 +static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
  {
      char buf[1024];
 +    AVBPrint buf_script;
      OutputStream *ost;
      AVFormatContext *oc;
      int64_t total_size;
@@@ -2681,12 -2123,15 +2678,12 @@@ static void reset_eagain(void
      int i;
      for (i = 0; i < nb_input_files; i++)
          input_files[i]->eagain = 0;
 +    for (i = 0; i < nb_output_streams; i++)
 +        output_streams[i]->unavailable = 0;
  }
  
- /**
-  * @return
+ /*
 - * Read one packet from an input file and send it for
 - * - decoding -> lavfi (audio/video)
 - * - decoding -> encoding -> muxing (subtitles)
 - * - muxing (streamcopy)
 - *
+  * Return
   * - 0 -- one packet was read and processed
   * - AVERROR(EAGAIN) -- no packets were available for selected file,
   *   this function should be called again
diff --cc ffmpeg.h
index 047029d4440,11e846261fd..e1b223fc02d
--- a/ffmpeg.h
+++ b/ffmpeg.h
@@@ -62,13 -56,15 +62,13 @@@ typedef struct StreamMap 
      int stream_index;
      int sync_file_index;
      int sync_stream_index;
-     char *linklabel;       /** name of an output link, for mapping lavfi outputs */
+     char *linklabel;       /* name of an output link, for mapping lavfi outputs */
  } StreamMap;
  
 -/* select an input file for an output file */
 -typedef struct MetadataMap {
 -    int  file;      // file index
 -    char type;      // type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
 -    int  index;     // stream/chapter/program number
 -} MetadataMap;
 +typedef struct {
 +    int  file_idx,  stream_idx,  channel_idx; // input
 +    int ofile_idx, ostream_idx;               // output
 +} AudioChannelMap;
  
  typedef struct OptionsContext {
      /* input/output options */
diff --cc ffmpeg_filter.c
index eb09b778b60,8f3f9125825..436cdf27d2e
--- a/ffmpeg_filter.c
+++ b/ffmpeg_filter.c
@@@ -26,113 -25,12 +26,111 @@@
  
  #include "libavutil/audioconvert.h"
  #include "libavutil/avassert.h"
 +#include "libavutil/avstring.h"
 +#include "libavutil/bprint.h"
  #include "libavutil/pixdesc.h"
  #include "libavutil/pixfmt.h"
 +#include "libavutil/imgutils.h"
  #include "libavutil/samplefmt.h"
  
 +enum AVPixelFormat choose_pixel_fmt(AVStream *st, AVCodec *codec, enum AVPixelFormat target)
 +{
 +    if (codec && codec->pix_fmts) {
 +        const enum AVPixelFormat *p = codec->pix_fmts;
 +        int has_alpha= av_pix_fmt_descriptors[target].nb_components % 2 == 0;
 +        enum AVPixelFormat best= AV_PIX_FMT_NONE;
 +        if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
 +            if (st->codec->codec_id == AV_CODEC_ID_MJPEG) {
 +                p = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_NONE };
 +            } else if (st->codec->codec_id == AV_CODEC_ID_LJPEG) {
 +                p = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUV420P,
 +                                                 AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_BGRA, AV_PIX_FMT_NONE };
 +            }
 +        }
 +        for (; *p != AV_PIX_FMT_NONE; p++) {
 +            best= avcodec_find_best_pix_fmt_of_2(best, *p, target, has_alpha, NULL);
 +            if (*p == target)
 +                break;
 +        }
 +        if (*p == AV_PIX_FMT_NONE) {
 +            if (target != AV_PIX_FMT_NONE)
 +                av_log(NULL, AV_LOG_WARNING,
 +                       "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
 +                       av_pix_fmt_descriptors[target].name,
 +                       codec->name,
 +                       av_pix_fmt_descriptors[best].name);
 +            return best;
 +        }
 +    }
 +    return target;
 +}
 +
 +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) {
 +            if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
 +                av_log(NULL, AV_LOG_ERROR, "Conversion will not be lossless.\n");
 +            if(av_get_sample_fmt_name(st->codec->sample_fmt))
 +            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];
 +        }
 +    }
 +}
 +
 +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 == AV_PIX_FMT_NONE)
 +            return NULL;
 +        return av_strdup(av_get_pix_fmt_name(ost->st->codec->pix_fmt));
 +    }
 +    if (ost->st->codec->pix_fmt != AV_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 && ost->enc->pix_fmts) {
 +        const enum AVPixelFormat *p;
 +        AVIOContext *s = NULL;
 +        uint8_t *ret;
 +        int len;
 +
 +        if (avio_open_dyn_buf(&s) < 0)
 +            exit(1);
 +
 +        p = ost->enc->pix_fmts;
 +        if (ost->st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
 +            if (ost->st->codec->codec_id == AV_CODEC_ID_MJPEG) {
 +                p = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_NONE };
 +            } else if (ost->st->codec->codec_id == AV_CODEC_ID_LJPEG) {
 +                p = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUV420P,
 +                                                    AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_BGRA, AV_PIX_FMT_NONE };
 +            }
 +        }
 +
 +        for (; *p != AV_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;
 +    } else
 +        return NULL;
 +}
 +
- /**
-  * Define a function for building a string containing a list of
-  * allowed formats,
-  */
+ /* 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)                            \
  {                                                                              \
diff --cc ffmpeg_opt.c
index fba7cb4f0b8,058d5a37795..fefb785945f
--- a/ffmpeg_opt.c
+++ b/ffmpeg_opt.c
@@@ -305,69 -274,8 +305,69 @@@ static int opt_attach(void *optctx, con
      return 0;
  }
  
 +static int opt_map_channel(void *optctx, const char *opt, const char *arg)
 +{
 +    OptionsContext *o = optctx;
 +    int n;
 +    AVStream *st;
 +    AudioChannelMap *m;
 +
 +    o->audio_channel_maps =
 +        grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
 +                   &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
 +    m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
 +
 +    /* muted channel syntax */
 +    n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
 +    if ((n == 1 || n == 3) && m->channel_idx == -1) {
 +        m->file_idx = m->stream_idx = -1;
 +        if (n == 1)
 +            m->ofile_idx = m->ostream_idx = -1;
 +        return 0;
 +    }
 +
 +    /* normal syntax */
 +    n = sscanf(arg, "%d.%d.%d:%d.%d",
 +               &m->file_idx,  &m->stream_idx, &m->channel_idx,
 +               &m->ofile_idx, &m->ostream_idx);
 +
 +    if (n != 3 && n != 5) {
 +        av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
 +               "[file.stream.channel|-1][:syncfile:syncstream]\n");
 +        exit(1);
 +    }
 +
 +    if (n != 5) // only file.stream.channel specified
 +        m->ofile_idx = m->ostream_idx = -1;
 +
 +    /* check input */
 +    if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
 +        av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
 +               m->file_idx);
 +        exit(1);
 +    }
 +    if (m->stream_idx < 0 ||
 +        m->stream_idx >= input_files[m->file_idx]->nb_streams) {
 +        av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
 +               m->file_idx, m->stream_idx);
 +        exit(1);
 +    }
 +    st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
 +    if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
 +        av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
 +               m->file_idx, m->stream_idx);
 +        exit(1);
 +    }
 +    if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
 +        av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
 +               m->file_idx, m->stream_idx, m->channel_idx);
 +        exit(1);
 +    }
 +    return 0;
 +}
 +
  /**
-  * Parse a metadata specifier in arg.
+  * Parse a metadata specifier passed as 'arg' parameter.
   * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
   * @param index for type c/p, chapter/program index is written here
   * @param stream_spec for type s, the stream specifier is written here
diff --cc ffplay.c
index 1ce92c622c0,597b23c6514..438c11d17b3
--- a/ffplay.c
+++ b/ffplay.c
@@@ -100,14 -99,14 +100,14 @@@ typedef struct PacketQueue 
  #define SUBPICTURE_QUEUE_SIZE 4
  
  typedef struct VideoPicture {
-     double pts;                                  ///< presentation time stamp for this picture
-     int64_t pos;                                 ///< byte position in file
+     double pts;             // presentation timestamp for this picture
 -    double target_clock;    // av_gettime() time at which this should be displayed ideally
+     int64_t pos;            // byte position in file
 +    int skip;
      SDL_Overlay *bmp;
      int width, height; /* source height & width */
 +    AVRational sample_aspect_ratio;
      int allocated;
      int reallocate;
 -    enum AVPixelFormat pix_fmt;
  
  #if CONFIG_AVFILTER
      AVFilterBufferRef *picref;
@@@ -205,12 -190,8 +205,12 @@@ typedef struct VideoState 
  
      double frame_timer;
      double frame_last_pts;
 -    double frame_last_delay;
 +    double frame_last_duration;
 +    double frame_last_dropped_pts;
 +    double frame_last_returned_time;
 +    double frame_last_filter_delay;
 +    int64_t frame_last_dropped_pos;
-     double video_clock;                          ///< pts of last decoded frame / predicted pts of next decoded frame
+     double video_clock;             // pts of last decoded frame / predicted pts of next decoded frame
      int video_stream;
      AVStream *video_st;
      PacketQueue videoq;
@@@ -225,13 -206,15 +225,13 @@@
      struct SwsContext *img_convert_ctx;
  #endif
  
 -    //    QETimer *video_timer;
      char filename[1024];
      int width, height, xleft, ytop;
 -
 -    PtsCorrectionContext pts_ctx;
 +    int step;
  
  #if CONFIG_AVFILTER
-     AVFilterContext *in_video_filter;           ///< the first filter in the video chain
-     AVFilterContext *out_video_filter;          ///< the last filter in the video chain
+     AVFilterContext *in_video_filter;   // the first filter in the video chain
+     AVFilterContext *out_video_filter;  // the last filter in the video chain
      int use_dr1;
      FrameBuffer *buffer_pool;
  #endif