mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
Merge remote-tracking branch 'qatar/master'
* qatar/master: mpeg4dec: use unsigned type for startcode in ff_mpeg4_decode_picture_header mpeg124: use sign_extend() function ac3dec: use get_sbits() instead of manually sign-extending 4xm: fix signed overflow wmavoice: fix a signed overflow mpegvideo_enc: fix a signed overflow crc: fix signed overflow fate: run avconv with -nostats flag avtools: add -v as alias for -loglevel avconv: always print stats with AV_LOG_INFO doc/avconv: add forgotten output/per-stream info to -filter avconv: add -stats option to enable/disable printing encoding progress avconv: in output_packet() don't set decoded_data_size for video. avconv: remove pointless always true condition avconv: factorize common code in transcode_init() zmbv: remove memcpy() of decoded frame mpeg12enc: use sign_extend() function h264pred: use unsigned types for pixel values, fix signed overflows h264: fix signed overflows in x*0x01010101 expressions h264pred: remove unused variables Conflicts: avconv.c tests/fate-run.sh Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
commit
0a23067ab4
26
avconv.c
26
avconv.c
@ -149,6 +149,8 @@ static int input_sync;
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static float dts_delta_threshold = 10;
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static int print_stats = 1;
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static uint8_t *audio_buf;
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static uint8_t *audio_out;
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static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
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@ -1374,6 +1376,9 @@ static void print_report(OutputFile *output_files,
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static int qp_histogram[52];
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int hours, mins, secs, us;
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if (!print_stats && !is_last_report)
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return;
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if (!is_last_report) {
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int64_t cur_time;
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/* display the report every 0.5 seconds */
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@ -1470,7 +1475,7 @@ static void print_report(OutputFile *output_files,
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snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
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nb_frames_dup, nb_frames_drop);
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av_log(NULL, is_last_report ? AV_LOG_WARNING : AV_LOG_INFO, "%s \r", buf);
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av_log(NULL, AV_LOG_INFO, "%s \r", buf);
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fflush(stderr);
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@ -1668,7 +1673,6 @@ static int output_packet(InputStream *ist, int ist_index,
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(ist->st->codec->sample_rate * ist->st->codec->channels);
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break;}
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case AVMEDIA_TYPE_VIDEO:
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decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
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if (!(decoded_frame = avcodec_alloc_frame()))
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return AVERROR(ENOMEM);
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avpkt.pts = pkt_pts;
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@ -2135,6 +2139,8 @@ static int transcode_init(OutputFile *output_files,
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} else {
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if (!ost->enc)
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ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
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ist->decoding_needed = 1;
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ost->encoding_needed = 1;
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switch(codec->codec_type) {
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case AVMEDIA_TYPE_AUDIO:
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ost->fifo= av_fifo_alloc(1024);
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@ -2158,8 +2164,6 @@ static int transcode_init(OutputFile *output_files,
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codec->channel_layout = 0;
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ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
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icodec->request_channels = codec->channels;
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ist->decoding_needed = 1;
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ost->encoding_needed = 1;
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ost->resample_sample_fmt = icodec->sample_fmt;
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ost->resample_sample_rate = icodec->sample_rate;
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ost->resample_channels = icodec->channels;
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@ -2189,8 +2193,6 @@ static int transcode_init(OutputFile *output_files,
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ost->resample_height = icodec->height;
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ost->resample_width = icodec->width;
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ost->resample_pix_fmt= icodec->pix_fmt;
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ost->encoding_needed = 1;
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ist->decoding_needed = 1;
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if (!ost->frame_rate.num)
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ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
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@ -2213,15 +2215,13 @@ static int transcode_init(OutputFile *output_files,
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#endif
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break;
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case AVMEDIA_TYPE_SUBTITLE:
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ost->encoding_needed = 1;
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ist->decoding_needed = 1;
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break;
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default:
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abort();
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break;
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}
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/* two pass mode */
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if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
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if (codec->codec_id != CODEC_ID_H264 &&
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(codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
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char logfilename[1024];
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FILE *f;
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@ -2665,12 +2665,6 @@ static int transcode(OutputFile *output_files,
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return ret;
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}
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static int opt_verbose(const char *opt, const char *arg)
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{
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av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -loglevel\n", opt);
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return 0;
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}
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static double parse_frame_aspect_ratio(const char *arg)
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{
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int x = 0, y = 0;
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@ -4087,7 +4081,6 @@ static const OptionDef options[] = {
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{ "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
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"when dumping packets, also dump the payload" },
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{ "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
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{ "v", HAS_ARG, {(void*)opt_verbose}, "deprecated, use -loglevel instead", "number" },
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{ "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
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{ "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
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{ "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
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@ -4105,6 +4098,7 @@ static const OptionDef options[] = {
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#if CONFIG_AVFILTER
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{ "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
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#endif
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{ "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
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/* video options */
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{ "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
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@ -336,6 +336,8 @@ static int locate_option(int argc, char **argv, const OptionDef *options, const
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void parse_loglevel(int argc, char **argv, const OptionDef *options)
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{
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int idx = locate_option(argc, argv, options, "loglevel");
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if (!idx)
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idx = locate_option(argc, argv, options, "v");
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if (idx && argv[idx + 1])
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opt_loglevel("loglevel", argv[idx + 1]);
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}
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@ -12,3 +12,4 @@
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{ "pix_fmts" , OPT_EXIT, {(void*)opt_pix_fmts }, "show available pixel formats" },
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{ "sample_fmts", OPT_EXIT, {.func_arg = show_sample_fmts }, "show available audio sample formats" },
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{ "loglevel", HAS_ARG, {(void*)opt_loglevel}, "set libav* logging level", "loglevel" },
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{ "v", HAS_ARG, {(void*)opt_loglevel}, "set libav* logging level", "loglevel" },
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@ -154,10 +154,6 @@ To set the language of the second stream:
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avconv -i INPUT -metadata:s:1 language=eng OUTPUT
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@end example
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@item -v @var{number} (@emph{global})
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This option is deprecated and has no effect, use -loglevel
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to set verbosity level.
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@item -target @var{type} (@emph{output})
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Specify target file type (@code{vcd}, @code{svcd}, @code{dvd}, @code{dv},
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@code{dv50}). @var{type} may be prefixed with @code{pal-}, @code{ntsc-} or
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@ -186,11 +182,14 @@ Stop writing to the stream after @var{framecount} frames.
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Use fixed quality scale (VBR). The meaning of @var{q} is
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codec-dependent.
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@item -filter[:@var{stream_specifier}] @var{filter_graph}
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@item -filter[:@var{stream_specifier}] @var{filter_graph} (@emph{output,per-stream})
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@var{filter_graph} is a description of the filter graph to apply to
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the stream. Use @code{-filters} to show all the available filters
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(including also sources and sinks).
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@item -stats (@emph{global})
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Print encoding progress/statistics. On by default.
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@end table
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@section Video Options
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@ -101,7 +101,7 @@ Show available pixel formats.
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@item -sample_fmts
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Show available sample formats.
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@item -loglevel @var{loglevel}
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@item -loglevel @var{loglevel} | -v @var{loglevel}
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Set the logging level used by the library.
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@var{loglevel} is a number or a string containing one of the following values:
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@table @samp
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26
ffmpeg.c
26
ffmpeg.c
@ -156,6 +156,8 @@ static int input_sync;
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static float dts_delta_threshold = 10;
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static int print_stats = 1;
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static uint8_t *audio_buf;
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static uint8_t *audio_out;
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static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
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@ -1380,6 +1382,9 @@ static void print_report(OutputFile *output_files,
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static int qp_histogram[52];
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int hours, mins, secs, us;
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if (!print_stats && !is_last_report)
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return;
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if (!is_last_report) {
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if (last_time == -1) {
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last_time = cur_time;
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@ -1473,7 +1478,7 @@ static void print_report(OutputFile *output_files,
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snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
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nb_frames_dup, nb_frames_drop);
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av_log(NULL, is_last_report ? AV_LOG_WARNING : AV_LOG_INFO, "%s \r", buf);
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av_log(NULL, AV_LOG_INFO, "%s \r", buf);
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fflush(stderr);
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@ -1671,7 +1676,6 @@ static int output_packet(InputStream *ist, int ist_index,
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(ist->st->codec->sample_rate * ist->st->codec->channels);
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break;}
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case AVMEDIA_TYPE_VIDEO:
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decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
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if (!(decoded_frame = avcodec_alloc_frame()))
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return AVERROR(ENOMEM);
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avpkt.pts = pkt_pts;
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@ -2143,6 +2147,8 @@ static int transcode_init(OutputFile *output_files, int nb_output_files,
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} else {
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if (!ost->enc)
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ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
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ist->decoding_needed = 1;
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ost->encoding_needed = 1;
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switch(codec->codec_type) {
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case AVMEDIA_TYPE_AUDIO:
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ost->fifo= av_fifo_alloc(1024);
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@ -2167,8 +2173,6 @@ static int transcode_init(OutputFile *output_files, int nb_output_files,
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ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt
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|| codec->channel_layout != icodec->channel_layout;
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icodec->request_channels = codec->channels;
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ist->decoding_needed = 1;
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ost->encoding_needed = 1;
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ost->resample_sample_fmt = icodec->sample_fmt;
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ost->resample_sample_rate = icodec->sample_rate;
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ost->resample_channels = icodec->channels;
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@ -2198,8 +2202,6 @@ static int transcode_init(OutputFile *output_files, int nb_output_files,
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ost->resample_height = icodec->height;
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ost->resample_width = icodec->width;
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ost->resample_pix_fmt= icodec->pix_fmt;
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ost->encoding_needed = 1;
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ist->decoding_needed = 1;
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if (!ost->frame_rate.num)
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ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
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@ -2226,15 +2228,13 @@ static int transcode_init(OutputFile *output_files, int nb_output_files,
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#endif
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break;
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case AVMEDIA_TYPE_SUBTITLE:
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ost->encoding_needed = 1;
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ist->decoding_needed = 1;
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break;
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default:
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abort();
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break;
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}
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/* two pass mode */
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if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
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if (codec->codec_id != CODEC_ID_H264 &&
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(codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
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char logfilename[1024];
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FILE *f;
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@ -2716,12 +2716,6 @@ static int transcode(OutputFile *output_files, int nb_output_files,
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return ret;
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}
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static int opt_verbose(const char *opt, const char *arg)
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{
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av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -loglevel\n", opt);
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return 0;
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}
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static int opt_frame_crop(const char *opt, const char *arg)
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{
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av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
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@ -4265,7 +4259,6 @@ static const OptionDef options[] = {
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{ "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
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{ "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "deprecated, use -loop" },
|
||||
{ "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "deprecated, use -loop", "" },
|
||||
{ "v", HAS_ARG, {(void*)opt_verbose}, "deprecated, use -loglevel instead", "number" },
|
||||
{ "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
|
||||
{ "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
|
||||
{ "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
|
||||
@ -4283,6 +4276,7 @@ static const OptionDef options[] = {
|
||||
#if CONFIG_AVFILTER
|
||||
{ "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
|
||||
#endif
|
||||
{ "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
|
||||
|
||||
/* video options */
|
||||
{ "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
|
||||
|
@ -279,7 +279,7 @@ static void init_mv(FourXContext *f){
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}
|
||||
#endif
|
||||
|
||||
static inline void mcdc(uint16_t *dst, uint16_t *src, int log2w, int h, int stride, int scale, int dc){
|
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static inline void mcdc(uint16_t *dst, uint16_t *src, int log2w, int h, int stride, int scale, unsigned dc){
|
||||
int i;
|
||||
dc*= 0x10001;
|
||||
|
||||
|
@ -505,9 +505,9 @@ static void ac3_decode_transform_coeffs_ch(AC3DecodeContext *s, int ch_index, ma
|
||||
mantissa = b5_mantissas[get_bits(gbc, 4)];
|
||||
break;
|
||||
default: /* 6 to 15 */
|
||||
mantissa = get_bits(gbc, quantization_tab[bap]);
|
||||
/* Shift mantissa and sign-extend it. */
|
||||
mantissa = (mantissa << (32-quantization_tab[bap]))>>8;
|
||||
mantissa = get_sbits(gbc, quantization_tab[bap]);
|
||||
mantissa <<= 24 - quantization_tab[bap];
|
||||
break;
|
||||
}
|
||||
coeffs[freq] = mantissa >> exps[freq];
|
||||
|
@ -1722,7 +1722,7 @@ static av_always_inline void hl_decode_mb_predict_luma(H264Context *h, int mb_ty
|
||||
tr_high= ((uint16_t*)ptr)[3 - linesize/2]*0x0001000100010001ULL;
|
||||
topright= (uint8_t*) &tr_high;
|
||||
} else {
|
||||
tr= ptr[3 - linesize]*0x01010101;
|
||||
tr= ptr[3 - linesize]*0x01010101u;
|
||||
topright= (uint8_t*) &tr;
|
||||
}
|
||||
}else
|
||||
|
@ -593,7 +593,7 @@ static void fill_decode_caches(H264Context *h, int mb_type){
|
||||
ref_cache[3 - 1*8]= ref[4*top_xy + 3];
|
||||
}else{
|
||||
AV_ZERO128(mv_cache[0 - 1*8]);
|
||||
AV_WN32A(&ref_cache[0 - 1*8], ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101);
|
||||
AV_WN32A(&ref_cache[0 - 1*8], ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101u);
|
||||
}
|
||||
|
||||
if(mb_type & (MB_TYPE_16x8|MB_TYPE_8x8)){
|
||||
|
@ -40,7 +40,7 @@
|
||||
#undef BIT_DEPTH
|
||||
|
||||
static void pred4x4_vertical_vp8_c(uint8_t *src, const uint8_t *topright, int stride){
|
||||
const int lt= src[-1-1*stride];
|
||||
const unsigned lt = src[-1-1*stride];
|
||||
LOAD_TOP_EDGE
|
||||
LOAD_TOP_RIGHT_EDGE
|
||||
uint32_t v = PACK_4U8((lt + 2*t0 + t1 + 2) >> 2,
|
||||
@ -55,7 +55,7 @@ static void pred4x4_vertical_vp8_c(uint8_t *src, const uint8_t *topright, int st
|
||||
}
|
||||
|
||||
static void pred4x4_horizontal_vp8_c(uint8_t *src, const uint8_t *topright, int stride){
|
||||
const int lt= src[-1-1*stride];
|
||||
const unsigned lt = src[-1-1*stride];
|
||||
LOAD_LEFT_EDGE
|
||||
|
||||
AV_WN32A(src+0*stride, ((lt + 2*l0 + l1 + 2) >> 2)*0x01010101);
|
||||
@ -67,8 +67,6 @@ static void pred4x4_horizontal_vp8_c(uint8_t *src, const uint8_t *topright, int
|
||||
static void pred4x4_down_left_svq3_c(uint8_t *src, const uint8_t *topright, int stride){
|
||||
LOAD_TOP_EDGE
|
||||
LOAD_LEFT_EDGE
|
||||
const av_unused int unu0= t0;
|
||||
const av_unused int unu1= l0;
|
||||
|
||||
src[0+0*stride]=(l1 + t1)>>1;
|
||||
src[1+0*stride]=
|
||||
@ -292,7 +290,7 @@ static void pred16x16_tm_vp8_c(uint8_t *src, int stride){
|
||||
|
||||
static void pred8x8_left_dc_rv40_c(uint8_t *src, int stride){
|
||||
int i;
|
||||
int dc0;
|
||||
unsigned dc0;
|
||||
|
||||
dc0=0;
|
||||
for(i=0;i<8; i++)
|
||||
@ -307,7 +305,7 @@ static void pred8x8_left_dc_rv40_c(uint8_t *src, int stride){
|
||||
|
||||
static void pred8x8_top_dc_rv40_c(uint8_t *src, int stride){
|
||||
int i;
|
||||
int dc0;
|
||||
unsigned dc0;
|
||||
|
||||
dc0=0;
|
||||
for(i=0;i<8; i++)
|
||||
@ -322,7 +320,7 @@ static void pred8x8_top_dc_rv40_c(uint8_t *src, int stride){
|
||||
|
||||
static void pred8x8_dc_rv40_c(uint8_t *src, int stride){
|
||||
int i;
|
||||
int dc0=0;
|
||||
unsigned dc0 = 0;
|
||||
|
||||
for(i=0;i<4; i++){
|
||||
dc0+= src[-1+i*stride] + src[i-stride];
|
||||
|
@ -121,28 +121,28 @@ static void FUNCC(pred4x4_129_dc)(uint8_t *_src, const uint8_t *topright, int _s
|
||||
|
||||
|
||||
#define LOAD_TOP_RIGHT_EDGE\
|
||||
const int av_unused t4= topright[0];\
|
||||
const int av_unused t5= topright[1];\
|
||||
const int av_unused t6= topright[2];\
|
||||
const int av_unused t7= topright[3];\
|
||||
const unsigned av_unused t4 = topright[0];\
|
||||
const unsigned av_unused t5 = topright[1];\
|
||||
const unsigned av_unused t6 = topright[2];\
|
||||
const unsigned av_unused t7 = topright[3];\
|
||||
|
||||
#define LOAD_DOWN_LEFT_EDGE\
|
||||
const int av_unused l4= src[-1+4*stride];\
|
||||
const int av_unused l5= src[-1+5*stride];\
|
||||
const int av_unused l6= src[-1+6*stride];\
|
||||
const int av_unused l7= src[-1+7*stride];\
|
||||
const unsigned av_unused l4 = src[-1+4*stride];\
|
||||
const unsigned av_unused l5 = src[-1+5*stride];\
|
||||
const unsigned av_unused l6 = src[-1+6*stride];\
|
||||
const unsigned av_unused l7 = src[-1+7*stride];\
|
||||
|
||||
#define LOAD_LEFT_EDGE\
|
||||
const int av_unused l0= src[-1+0*stride];\
|
||||
const int av_unused l1= src[-1+1*stride];\
|
||||
const int av_unused l2= src[-1+2*stride];\
|
||||
const int av_unused l3= src[-1+3*stride];\
|
||||
const unsigned av_unused l0 = src[-1+0*stride];\
|
||||
const unsigned av_unused l1 = src[-1+1*stride];\
|
||||
const unsigned av_unused l2 = src[-1+2*stride];\
|
||||
const unsigned av_unused l3 = src[-1+3*stride];\
|
||||
|
||||
#define LOAD_TOP_EDGE\
|
||||
const int av_unused t0= src[ 0-1*stride];\
|
||||
const int av_unused t1= src[ 1-1*stride];\
|
||||
const int av_unused t2= src[ 2-1*stride];\
|
||||
const int av_unused t3= src[ 3-1*stride];\
|
||||
const unsigned av_unused t0 = src[ 0-1*stride];\
|
||||
const unsigned av_unused t1 = src[ 1-1*stride];\
|
||||
const unsigned av_unused t2 = src[ 2-1*stride];\
|
||||
const unsigned av_unused t3 = src[ 3-1*stride];\
|
||||
|
||||
static void FUNCC(pred4x4_down_right)(uint8_t *_src, const uint8_t *topright, int _stride){
|
||||
pixel *src = (pixel*)_src;
|
||||
|
@ -271,7 +271,7 @@ int ff_h263_resync(MpegEncContext *s){
|
||||
|
||||
int h263_decode_motion(MpegEncContext * s, int pred, int f_code)
|
||||
{
|
||||
int code, val, sign, shift, l;
|
||||
int code, val, sign, shift;
|
||||
code = get_vlc2(&s->gb, mv_vlc.table, MV_VLC_BITS, 2);
|
||||
|
||||
if (code == 0)
|
||||
@ -293,8 +293,7 @@ int h263_decode_motion(MpegEncContext * s, int pred, int f_code)
|
||||
|
||||
/* modulo decoding */
|
||||
if (!s->h263_long_vectors) {
|
||||
l = INT_BIT - 5 - f_code;
|
||||
val = (val<<l)>>l;
|
||||
val = sign_extend(val, 5 + f_code);
|
||||
} else {
|
||||
/* horrible h263 long vector mode */
|
||||
if (pred < -31 && val < -63)
|
||||
|
@ -657,7 +657,7 @@ void h263_encode_mb(MpegEncContext * s,
|
||||
|
||||
void ff_h263_encode_motion(MpegEncContext * s, int val, int f_code)
|
||||
{
|
||||
int range, l, bit_size, sign, code, bits;
|
||||
int range, bit_size, sign, code, bits;
|
||||
|
||||
if (val == 0) {
|
||||
/* zero vector */
|
||||
@ -667,8 +667,7 @@ void ff_h263_encode_motion(MpegEncContext * s, int val, int f_code)
|
||||
bit_size = f_code - 1;
|
||||
range = 1 << bit_size;
|
||||
/* modulo encoding */
|
||||
l= INT_BIT - 6 - bit_size;
|
||||
val = (val<<l)>>l;
|
||||
val = sign_extend(val, 6 + bit_size);
|
||||
sign = val>>31;
|
||||
val= (val^sign)-sign;
|
||||
sign&=1;
|
||||
|
@ -55,7 +55,7 @@ static VLC mv_vlc;
|
||||
/* as H.263, but only 17 codes */
|
||||
static int mpeg_decode_motion(MpegEncContext *s, int fcode, int pred)
|
||||
{
|
||||
int code, sign, val, l, shift;
|
||||
int code, sign, val, shift;
|
||||
|
||||
code = get_vlc2(&s->gb, mv_vlc.table, MV_VLC_BITS, 2);
|
||||
if (code == 0) {
|
||||
@ -78,9 +78,7 @@ static int mpeg_decode_motion(MpegEncContext *s, int fcode, int pred)
|
||||
val += pred;
|
||||
|
||||
/* modulo decoding */
|
||||
l = INT_BIT - 5 - shift;
|
||||
val = (val << l) >> l;
|
||||
return val;
|
||||
return sign_extend(val, 5 + shift);
|
||||
}
|
||||
|
||||
static inline int mpeg1_decode_block_intra(MpegEncContext *s, DCTELEM *block, int n)
|
||||
|
@ -27,6 +27,7 @@
|
||||
|
||||
#include "avcodec.h"
|
||||
#include "dsputil.h"
|
||||
#include "mathops.h"
|
||||
#include "mpegvideo.h"
|
||||
|
||||
#include "mpeg12.h"
|
||||
@ -694,8 +695,7 @@ static void mpeg1_encode_motion(MpegEncContext *s, int val, int f_or_b_code)
|
||||
int bit_size = f_or_b_code - 1;
|
||||
int range = 1 << bit_size;
|
||||
/* modulo encoding */
|
||||
int l= INT_BIT - 5 - bit_size;
|
||||
val= (val<<l)>>l;
|
||||
val = sign_extend(val, 5 + bit_size);
|
||||
|
||||
if (val >= 0) {
|
||||
val--;
|
||||
|
@ -2124,7 +2124,7 @@ static int decode_vop_header(MpegEncContext *s, GetBitContext *gb){
|
||||
*/
|
||||
int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb)
|
||||
{
|
||||
int startcode, v;
|
||||
unsigned startcode, v;
|
||||
|
||||
/* search next start code */
|
||||
align_get_bits(gb);
|
||||
|
@ -2030,7 +2030,7 @@ static int mb_var_thread(AVCodecContext *c, void *arg){
|
||||
int varc;
|
||||
int sum = s->dsp.pix_sum(pix, s->linesize);
|
||||
|
||||
varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
|
||||
varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)sum*sum)>>8) + 500 + 128)>>8;
|
||||
|
||||
s->current_picture.mb_var [s->mb_stride * mb_y + mb_x] = varc;
|
||||
s->current_picture.mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
|
||||
|
@ -1085,7 +1085,7 @@ static void aw_pulse_set2(WMAVoiceContext *s, GetBitContext *gb,
|
||||
int excl_range = s->aw_pulse_range; // always 16 or 24
|
||||
uint16_t *use_mask_ptr = &use_mask[idx >> 4];
|
||||
int first_sh = 16 - (idx & 15);
|
||||
*use_mask_ptr++ &= 0xFFFF << first_sh;
|
||||
*use_mask_ptr++ &= 0xFFFFu << first_sh;
|
||||
excl_range -= first_sh;
|
||||
if (excl_range >= 16) {
|
||||
*use_mask_ptr++ = 0;
|
||||
|
@ -574,7 +574,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
|
||||
default:
|
||||
av_log(avctx, AV_LOG_ERROR, "Cannot handle format %i\n", c->fmt);
|
||||
}
|
||||
memcpy(c->prev, c->cur, c->width * c->height * (c->bpp / 8));
|
||||
FFSWAP(uint8_t *, c->cur, c->prev);
|
||||
}
|
||||
*data_size = sizeof(AVFrame);
|
||||
*(AVFrame*)data = c->pic;
|
||||
|
@ -57,7 +57,7 @@ static AVCRC av_crc_table[AV_CRC_MAX][257];
|
||||
* @return <0 on failure
|
||||
*/
|
||||
int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size){
|
||||
int i, j;
|
||||
unsigned i, j;
|
||||
uint32_t c;
|
||||
|
||||
if (bits < 8 || bits > 32 || poly >= (1LL<<bits))
|
||||
|
@ -51,7 +51,7 @@ run(){
|
||||
}
|
||||
|
||||
avconv(){
|
||||
run $tool -v 0 -threads $threads -thread_type $thread_type "$@"
|
||||
run $tool -nostats -threads $threads -thread_type $thread_type "$@"
|
||||
}
|
||||
|
||||
framecrc(){
|
||||
|
@ -44,7 +44,7 @@ echov(){
|
||||
|
||||
. $(dirname $0)/md5.sh
|
||||
|
||||
AVCONV_OPTS="-v 0 -y"
|
||||
AVCONV_OPTS="-nostats -y"
|
||||
COMMON_OPTS="-flags +bitexact -idct simple -sws_flags +accurate_rnd+bitexact"
|
||||
DEC_OPTS="$COMMON_OPTS -threads $threads"
|
||||
ENC_OPTS="$COMMON_OPTS -threads 1 -dct fastint"
|
||||
|
Loading…
Reference in New Issue
Block a user