Merge commit 'fb722a900fc5cc9e003b9fef25b27ed7fc5547a2'
* commit 'fb722a900fc5cc9e003b9fef25b27ed7fc5547a2': avconv: remove -same_quant Conflicts: Changelog doc/faq.texi ffmpeg.c ffmpeg.h ffmpeg_opt.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
commit
b7ebb49d03
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@ -10,6 +10,7 @@ version next:
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- Pinnacle TARGA CineWave YUV16 decoder
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- TAK demuxer, decoder and parser
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- DTS-HD demuxer
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- remove -same_quant, it hasn't worked for years
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version 1.0:
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@ -297,7 +297,7 @@ mkfifo intermediate2.mpg
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ffmpeg -i input1.avi -qscale:v 1 -y intermediate1.mpg < /dev/null &
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ffmpeg -i input2.avi -qscale:v 1 -y intermediate2.mpg < /dev/null &
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cat intermediate1.mpg intermediate2.mpg |\
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ffmpeg -f mpeg -i - -qscale:v 2 -c:v mpeg4 -acodec libmp3lame -q:a 4 output.avi
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ffmpeg -f mpeg -i - -c:v mpeg4 -acodec libmp3lame output.avi
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@end example
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@subsection Concatenating using raw audio and video
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@ -327,7 +327,7 @@ cat temp1.a temp2.a > all.a &
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cat temp1.v temp2.v > all.v &
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ffmpeg -f u16le -acodec pcm_s16le -ac 2 -ar 44100 -i all.a \
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-f yuv4mpegpipe -i all.v \
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-qscale:v 2 -y output.flv
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-y output.flv
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rm temp[12].[av] all.[av]
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@end example
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@ -470,11 +470,6 @@ Disable video recording.
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@item -vcodec @var{codec} (@emph{output})
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Set the video codec. This is an alias for @code{-codec:v}.
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@item -same_quant
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Use same quantizer as source (implies VBR).
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Note that this is NOT SAME QUALITY. Do not use this option unless you know you
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need it.
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@item -pass[:@var{stream_specifier}] @var{n} (@emph{output,per-stream})
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Select the pass number (1 or 2). It is used to do two-pass
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17
ffmpeg.c
17
ffmpeg.c
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@ -773,8 +773,7 @@ static void do_subtitle_out(AVFormatContext *s,
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static void do_video_out(AVFormatContext *s,
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OutputStream *ost,
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AVFrame *in_picture,
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float quality)
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AVFrame *in_picture)
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{
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int ret, format_video_sync;
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AVPacket pkt;
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@ -878,9 +877,7 @@ static void do_video_out(AVFormatContext *s,
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big_picture.top_field_first = !!ost->top_field_first;
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}
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/* handles same_quant here. This is not correct because it may
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not be a global option */
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big_picture.quality = quality;
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big_picture.quality = ost->st->codec->global_quality;
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if (!enc->me_threshold)
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big_picture.pict_type = 0;
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if (ost->forced_kf_index < ost->forced_kf_count &&
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@ -1043,9 +1040,7 @@ static int reap_filters(void)
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if (!ost->frame_aspect_ratio)
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ost->st->codec->sample_aspect_ratio = picref->video->sample_aspect_ratio;
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do_video_out(of->ctx, ost, filtered_frame,
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same_quant ? ost->last_quality :
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ost->st->codec->global_quality);
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do_video_out(of->ctx, ost, filtered_frame);
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break;
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case AVMEDIA_TYPE_AUDIO:
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avfilter_copy_buf_props(filtered_frame, picref);
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@ -1556,7 +1551,6 @@ static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
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int i, ret = 0, resample_changed;
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int64_t best_effort_timestamp;
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AVRational *frame_sample_aspect;
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float quality;
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if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
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return AVERROR(ENOMEM);
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@ -1577,8 +1571,6 @@ static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
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return ret;
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}
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quality = same_quant ? decoded_frame->quality : 0;
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if(ist->top_field_first>=0)
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decoded_frame->top_field_first = ist->top_field_first;
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@ -1631,9 +1623,6 @@ static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
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int changed = ist->st->codec->width != ist->filters[i]->filter->outputs[0]->w
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|| ist->st->codec->height != ist->filters[i]->filter->outputs[0]->h
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|| ist->st->codec->pix_fmt != ist->filters[i]->filter->outputs[0]->format;
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// XXX what an ugly hack
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if (ist->filters[i]->graph->nb_outputs == 1)
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ist->filters[i]->graph->outputs[0]->ost->last_quality = quality;
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if (!frame_sample_aspect->num)
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*frame_sample_aspect = ist->st->sample_aspect_ratio;
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2
ffmpeg.h
2
ffmpeg.h
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@ -301,7 +301,6 @@ typedef struct OutputStream {
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int top_field_first;
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float frame_aspect_ratio;
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float last_quality;
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/* forced key frames */
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int64_t *forced_kf_pts;
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@ -377,7 +376,6 @@ extern int debug_ts;
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extern int exit_on_error;
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extern int print_stats;
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extern int qp_hist;
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extern int same_quant;
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extern int stdin_interaction;
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extern int frame_bits_per_raw_sample;
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extern AVIOContext *progress_avio;
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@ -83,7 +83,6 @@ int debug_ts = 0;
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int exit_on_error = 0;
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int print_stats = 1;
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int qp_hist = 0;
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int same_quant = 0;
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int stdin_interaction = 1;
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int frame_bits_per_raw_sample = 0;
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@ -989,7 +988,7 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
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}
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MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
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if (qscale >= 0 || same_quant) {
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if (qscale >= 0) {
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st->codec->flags |= CODEC_FLAG_QSCALE;
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st->codec->global_quality = FF_QP2LAMBDA * qscale;
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}
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@ -2390,10 +2389,6 @@ const OptionDef options[] = {
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"rate control override for specific intervals", "override" },
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{ "vcodec", OPT_VIDEO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_video_codec },
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"force video codec ('copy' to copy stream)", "codec" },
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{ "sameq", OPT_VIDEO | OPT_BOOL | OPT_EXPERT , { &same_quant },
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"use same quantizer as source (implies VBR)" },
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{ "same_quant", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &same_quant },
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"use same quantizer as source (implies VBR)" },
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{ "timecode", OPT_VIDEO | HAS_ARG | OPT_PERFILE, { .func_arg = opt_timecode },
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"set initial TimeCode value.", "hh:mm:ss[:;.]ff" },
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{ "pass", OPT_VIDEO | HAS_ARG | OPT_SPEC | OPT_INT, { .off = OFFSET(pass) },
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