#include "libavformat/avformat.h"
#include "libavdevice/avdevice.h"
#include "libswscale/swscale.h"
+#include "libavresample/avresample.h"
#include "libavutil/opt.h"
-#include "libavcodec/audioconvert.h"
#include "libavutil/audioconvert.h"
#include "libavutil/parseutils.h"
#include "libavutil/samplefmt.h"
/* audio only */
int audio_resample;
- ReSampleContext *resample; /* for audio resampling */
+ AVAudioResampleContext *avr;
int resample_sample_fmt;
int resample_channels;
+ uint64_t resample_channel_layout;
int resample_sample_rate;
- int reformat_pair;
- AVAudioConvert *reformat_ctx;
AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
FILE *logfile;
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 *p;
int file_idx = strtol(in->name, &p, 0);
- if (file_idx < 0 || file_idx > nb_input_files) {
+ if (file_idx < 0 || file_idx >= nb_input_files) {
av_log(NULL, AV_LOG_FATAL, "Invalid file index %d in filtegraph description %s.\n",
file_idx, fg->graph_desc);
exit_program(1);
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;
}
static int alloc_audio_output_buf(AVCodecContext *dec, AVCodecContext *enc,
- int nb_samples)
+ int nb_samples, int *buf_linesize)
{
int64_t audio_buf_samples;
int audio_buf_size;
if (audio_buf_samples > INT_MAX)
return AVERROR(EINVAL);
- audio_buf_size = av_samples_get_buffer_size(NULL, enc->channels,
+ audio_buf_size = av_samples_get_buffer_size(buf_linesize, enc->channels,
audio_buf_samples,
enc->sample_fmt, 0);
if (audio_buf_size < 0)
{
uint8_t *buftmp;
- int size_out, frame_bytes, resample_changed;
+ 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) < 0) {
+ 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 (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
+ 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->resample) || resample_changed) {
+ 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 to rate:%d fmt:%s ch:%d\n",
+ 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,
- dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
+ 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->resample)
- audio_resample_close(ost->resample);
+ 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->resample = NULL;
ost->audio_resample = 0;
} else if (ost->audio_resample) {
- if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
- av_log(NULL, AV_LOG_WARNING, "Using s16 intermediate sample format for resampling\n");
- ost->resample = av_audio_resample_init(enc->channels, dec->channels,
- enc->sample_rate, dec->sample_rate,
- enc->sample_fmt, dec->sample_fmt,
- 16, 10, 0, 0.8);
- if (!ost->resample) {
- av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
- dec->channels, dec->sample_rate,
- enc->channels, enc->sample_rate);
- exit_program(1);
+ 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);
+ }
}
- }
- }
-#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
- if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt &&
- MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt) != ost->reformat_pair) {
- if (ost->reformat_ctx)
- av_audio_convert_free(ost->reformat_ctx);
- ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
- dec->sample_fmt, 1, NULL, 0);
- if (!ost->reformat_ctx) {
- av_log(NULL, AV_LOG_FATAL, "Cannot convert %s sample format to %s sample format\n",
- av_get_sample_fmt_name(dec->sample_fmt),
- av_get_sample_fmt_name(enc->sample_fmt));
- 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);
+ }
}
- ost->reformat_pair = MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
}
if (audio_sync_method > 0) {
exit_program(1);
}
- if (alloc_audio_output_buf(dec, enc, decoded_frame->nb_samples + idelta) < 0) {
+ 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);
}
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_assert0(ost->audio_resample);
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));
- av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
+ avresample_set_compensation(ost->avr, comp, enc->sample_rate);
}
}
} else if (audio_sync_method == 0)
if (ost->audio_resample) {
buftmp = audio_buf;
- size_out = audio_resample(ost->resample,
- (short *)buftmp, (short *)buf,
- size / (dec->channels * isize));
+ 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;
}
- if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt) {
- const void *ibuf[6] = { buftmp };
- void *obuf[6] = { audio_buf };
- int istride[6] = { isize };
- int ostride[6] = { osize };
- int len = size_out / istride[0];
- if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len) < 0) {
- printf("av_audio_convert() failed\n");
- if (exit_on_error)
- exit_program(1);
- return;
- }
- buftmp = audio_buf;
- size_out = len * osize;
- }
-
/* now encode as many frames as possible */
if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
/* output resampled raw samples */
av_freep(&avc);
}
-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) {
- 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 int init_input_stream(int ist_index, char *error, int error_len)
{
int i;
}
if (ost->stream_copy) {
- uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
+ uint64_t extra_size;
+
+ av_assert0(ist && !ost->filter);
+
+ extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
if (extra_size > INT_MAX) {
return AVERROR(EINVAL);
abort();
}
} else {
- if (!ost->enc)
- ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
+ if (!ost->enc) {
+ /* should only happen when a default codec is not present. */
+ snprintf(error, sizeof(error), "Automatic encoder selection "
+ "failed for output stream #%d:%d. Default encoder for "
+ "format %s is probably disabled. Please choose an "
+ "encoder manually.\n", ost->file_index, ost->index,
+ oc->oformat->name);
+ ret = AVERROR(EINVAL);
+ goto dump_format;
+ }
if (ist)
ist->decoding_needed = 1;
if (!ost->fifo) {
return AVERROR(ENOMEM);
}
- ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
if (!codec->sample_rate)
codec->sample_rate = icodec->sample_rate;
if (!codec->channels)
codec->channels = icodec->channels;
- codec->channel_layout = icodec->channel_layout;
+ 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;
- ost->audio_resample = codec-> sample_rate != icodec->sample_rate || audio_sync_method > 1;
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->encoding_needed) {
AVCodec *codec = ost->enc;
AVCodecContext *dec = NULL;
- if (!codec) {
- snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d:%d",
- ost->st->codec->codec_id, ost->file_index, ost->index);
- ret = AVERROR(EINVAL);
- goto dump_format;
- }
if ((ist = get_input_stream(ost)))
dec = ist->st->codec;
initialized but set to zero */
av_freep(&ost->st->codec->subtitle_header);
av_free(ost->forced_kf_pts);
- if (ost->resample)
- audio_resample_close(ost->resample);
- if (ost->reformat_ctx)
- av_audio_convert_free(ost->reformat_ctx);
+ if (ost->avr)
+ avresample_free(&ost->avr);
av_dict_free(&ost->opts);
}
}
switch (dec->codec_type) {
case AVMEDIA_TYPE_VIDEO:
- if (dec->lowres) {
- dec->flags |= CODEC_FLAG_EMU_EDGE;
- dec->height >>= dec->lowres;
- dec->width >>= dec->lowres;
- }
-
ist->resample_height = dec->height;
ist->resample_width = dec->width;
ist->resample_pix_fmt = dec->pix_fmt;
av_dict_set(&format_opts, "sample_rate", buf, 0);
}
if (o->nb_audio_channels) {
- snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
- av_dict_set(&format_opts, "channels", buf, 0);
+ /* because we set audio_channels based on both the "ac" and
+ * "channel_layout" options, we need to check that the specified
+ * demuxer actually has the "channels" option before setting it */
+ if (file_iformat && file_iformat->priv_class &&
+ av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
+ AV_OPT_SEARCH_FAKE_OBJ)) {
+ snprintf(buf, sizeof(buf), "%d",
+ o->audio_channels[o->nb_audio_channels - 1].u.i);
+ av_dict_set(&format_opts, "channels", buf, 0);
+ }
}
if (o->nb_frame_rates) {
av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
ofilter->ost = ost;
+ if (ost->stream_copy) {
+ av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
+ "which is fed from a complex filtergraph. Filtering and streamcopy "
+ "cannot be used together.\n", ost->file_index, ost->index);
+ exit_program(1);
+ }
+
if (configure_output_filter(ofilter->graph, ofilter, ofilter->out_tmp) < 0) {
av_log(NULL, AV_LOG_FATAL, "Error configuring filter.\n");
exit_program(1);
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" },
- { 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;
projects / ffmpeg / blobdiff