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Code Issues Releases Activity

ffserver_config: map ffserver options to AVOptions

Browse Source 
Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
This commit is contained in:
Lukasz Marek 2014-11-13 18:45:43 +01:00
parent d57a6d2087
commit f61cb6453d
2 changed files with 70 additions and 170 deletions
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234
ffserver_config.c
View File

@ -470,6 +470,9 @@ static int ffserver_save_avoption(const char *opt, const char *arg, int type, FF
}
o = av_opt_find(ctx, option, NULL, type | AV_OPT_FLAG_ENCODING_PARAM, AV_OPT_SEARCH_CHILDREN);
if (!o && (!strcmp(option, "time_base") || !strcmp(option, "pixel_format") ||
!strcmp(option, "video_size") || !strcmp(option, "codec_tag")))
o = av_opt_find(ctx, option, NULL, 0, 0);
if (!o) {
report_config_error(config->filename, config->line_num, AV_LOG_ERROR,
&config->errors, "Option not found: %s\n", opt);
@ -497,6 +500,14 @@ static int ffserver_save_avoption(const char *opt, const char *arg, int type, FF
return 0;
}
static int ffserver_save_avoption_int(const char *opt, int64_t arg,
int type, FFServerConfig *config)
{
char buf[22];
snprintf(buf, sizeof(buf), "%"PRId64, arg);
return ffserver_save_avoption(opt, buf, type, config);
}
#define ERROR(...) report_config_error(config->filename, config->line_num, AV_LOG_ERROR, &config->errors, __VA_ARGS__)
#define WARNING(...) report_config_error(config->filename, config->line_num, AV_LOG_WARNING, &config->warnings, __VA_ARGS__)
@ -673,105 +684,10 @@ static int ffserver_parse_config_feed(FFServerConfig *config, const char *cmd, c
return 0;
}
static void ffserver_apply_stream_config(AVCodecContext *enc, const AVDictionary *conf, AVDictionary **opts)
static void ffserver_apply_stream_config(AVCodecContext *enc, AVDictionary **opts)
{
AVDictionaryEntry *e;
/* Return values from ffserver_set_*_param are ignored.
Values are initially parsed and checked before inserting to
AVDictionary. */
//video params
if ((e = av_dict_get(conf, "VideoBitRateRangeMin", NULL, 0)))
ffserver_set_int_param(&enc->rc_min_rate, e->value, 1000, INT_MIN,
INT_MAX, NULL, 0, NULL);
if ((e = av_dict_get(conf, "VideoBitRateRangeMax", NULL, 0)))
ffserver_set_int_param(&enc->rc_max_rate, e->value, 1000, INT_MIN,
INT_MAX, NULL, 0, NULL);
if ((e = av_dict_get(conf, "Debug", NULL, 0)))
ffserver_set_int_param(&enc->debug, e->value, 0, INT_MIN, INT_MAX,
NULL, 0, NULL);
if ((e = av_dict_get(conf, "Strict", NULL, 0)))
ffserver_set_int_param(&enc->strict_std_compliance, e->value, 0,
INT_MIN, INT_MAX, NULL, 0, NULL);
if ((e = av_dict_get(conf, "VideoBufferSize", NULL, 0)))
ffserver_set_int_param(&enc->rc_buffer_size, e->value, 8*1024,
INT_MIN, INT_MAX, NULL, 0, NULL);
if ((e = av_dict_get(conf, "VideoBitRateTolerance", NULL, 0)))
ffserver_set_int_param(&enc->bit_rate_tolerance, e->value, 1000,
INT_MIN, INT_MAX, NULL, 0, NULL);
if ((e = av_dict_get(conf, "VideoBitRate", NULL, 0)))
ffserver_set_int_param(&enc->bit_rate, e->value, 1000, INT_MIN,
INT_MAX, NULL, 0, NULL);
if ((e = av_dict_get(conf, "VideoSizeWidth", NULL, 0)))
ffserver_set_int_param(&enc->width, e->value, 0, INT_MIN, INT_MAX,
NULL, 0, NULL);
if ((e = av_dict_get(conf, "VideoSizeHeight", NULL, 0)))
ffserver_set_int_param(&enc->height, e->value, 0, INT_MIN, INT_MAX,
NULL, 0, NULL);
if ((e = av_dict_get(conf, "PixelFormat", NULL, 0))) {
int val;
ffserver_set_int_param(&val, e->value, 0, INT_MIN, INT_MAX, NULL, 0,
NULL);
enc->pix_fmt = val;
}
if ((e = av_dict_get(conf, "VideoGopSize", NULL, 0)))
ffserver_set_int_param(&enc->gop_size, e->value, 0, INT_MIN, INT_MAX,
NULL, 0, NULL);
if ((e = av_dict_get(conf, "VideoFrameRateNum", NULL, 0)))
ffserver_set_int_param(&enc->time_base.num, e->value, 0, INT_MIN,
INT_MAX, NULL, 0, NULL);
if ((e = av_dict_get(conf, "VideoFrameRateDen", NULL, 0)))
ffserver_set_int_param(&enc->time_base.den, e->value, 0, INT_MIN,
INT_MAX, NULL, 0, NULL);
if ((e = av_dict_get(conf, "VideoQDiff", NULL, 0)))
ffserver_set_int_param(&enc->max_qdiff, e->value, 0, INT_MIN, INT_MAX,
NULL, 0, NULL);
if ((e = av_dict_get(conf, "VideoQMax", NULL, 0)))
ffserver_set_int_param(&enc->qmax, e->value, 0, INT_MIN, INT_MAX, NULL,
0, NULL);
if ((e = av_dict_get(conf, "VideoQMin", NULL, 0)))
ffserver_set_int_param(&enc->qmin, e->value, 0, INT_MIN, INT_MAX, NULL,
0, NULL);
if ((e = av_dict_get(conf, "LumiMask", NULL, 0)))
ffserver_set_float_param(&enc->lumi_masking, e->value, 0, -FLT_MAX,
FLT_MAX, NULL, 0, NULL);
if ((e = av_dict_get(conf, "DarkMask", NULL, 0)))
ffserver_set_float_param(&enc->dark_masking, e->value, 0, -FLT_MAX,
FLT_MAX, NULL, 0, NULL);
if (av_dict_get(conf, "BitExact", NULL, 0))
enc->flags |= CODEC_FLAG_BITEXACT;
if (av_dict_get(conf, "DctFastint", NULL, 0))
enc->dct_algo = FF_DCT_FASTINT;
if (av_dict_get(conf, "IdctSimple", NULL, 0))
enc->idct_algo = FF_IDCT_SIMPLE;
if (av_dict_get(conf, "VideoHighQuality", NULL, 0))
enc->mb_decision = FF_MB_DECISION_BITS;
if ((e = av_dict_get(conf, "VideoTag", NULL, 0)))
enc->codec_tag = MKTAG(e->value[0], e->value[1], e->value[2], e->value[3]);
if ((e = av_dict_get(conf, "Qscale", NULL, 0))) {
enc->flags |= CODEC_FLAG_QSCALE;
ffserver_set_int_param(&enc->global_quality, e->value, FF_QP2LAMBDA,
INT_MIN, INT_MAX, NULL, 0, NULL);
}
if (av_dict_get(conf, "Video4MotionVector", NULL, 0)) {
enc->mb_decision = FF_MB_DECISION_BITS; //FIXME remove
enc->flags |= CODEC_FLAG_4MV;
}
//audio params
if ((e = av_dict_get(conf, "AudioChannels", NULL, 0)))
ffserver_set_int_param(&enc->channels, e->value, 0, INT_MIN, INT_MAX,
NULL, 0, NULL);
if ((e = av_dict_get(conf, "AudioSampleRate", NULL, 0)))
ffserver_set_int_param(&enc->sample_rate, e->value, 0, INT_MIN,
INT_MAX, NULL, 0, NULL);
if ((e = av_dict_get(conf, "AudioBitRate", NULL, 0)))
ffserver_set_int_param(&enc->bit_rate, e->value, 0, INT_MIN, INT_MAX,
NULL, 0, NULL);
av_opt_set_dict2(enc->priv_data, opts, AV_OPT_SEARCH_CHILDREN);
av_opt_set_dict2(enc, opts, AV_OPT_SEARCH_CHILDREN);
if (av_dict_count(*opts))
av_log(NULL, AV_LOG_ERROR, "Something went wrong, %d options not set!!!\n", av_dict_count(*opts));
}
@ -903,61 +819,62 @@ static int ffserver_parse_config_stream(FFServerConfig *config, const char *cmd,
} else if (!av_strcasecmp(cmd, "AudioBitRate")) {
float f;
ffserver_get_arg(arg, sizeof(arg), p);
ffserver_set_float_param(&f, arg, 1000, 0, FLT_MAX, config,
ffserver_set_float_param(&f, arg, 1000, -FLT_MAX, FLT_MAX, config,
"Invalid %s: %s\n", cmd, arg);
if (av_dict_set_int(&config->audio_conf, cmd, lrintf(f), 0) < 0)
if (ffserver_save_avoption_int("ab", (int64_t)lrintf(f), AV_OPT_FLAG_AUDIO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "AudioChannels")) {
ffserver_get_arg(arg, sizeof(arg), p);
ffserver_set_int_param(NULL, arg, 0, 1, 8, config,
"Invalid %s: %s, valid range is 1-8.", cmd, arg);
if (av_dict_set(&config->audio_conf, cmd, arg, 0) < 0)
if (ffserver_save_avoption("ac", arg, AV_OPT_FLAG_AUDIO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "AudioSampleRate")) {
ffserver_get_arg(arg, sizeof(arg), p);
ffserver_set_int_param(NULL, arg, 0, 0, INT_MAX, config,
"Invalid %s: %s", cmd, arg);
if (av_dict_set(&config->audio_conf, cmd, arg, 0) < 0)
if (ffserver_save_avoption("ar", arg, AV_OPT_FLAG_AUDIO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "VideoBitRateRange")) {
int minrate, maxrate;
char *dash;
ffserver_get_arg(arg, sizeof(arg), p);
if (sscanf(arg, "%d-%d", &minrate, &maxrate) == 2) {
if (av_dict_set_int(&config->video_conf, "VideoBitRateRangeMin", minrate, 0) < 0 ||
av_dict_set_int(&config->video_conf, "VideoBitRateRangeMax", maxrate, 0) < 0)
dash = strchr(arg, '-');
if (dash) {
*dash = '\0';
dash++;
if (ffserver_set_int_param(&minrate, arg, 1000, 0, INT_MAX, config, "Invalid %s: %s", cmd, arg) >= 0 &&
ffserver_set_int_param(&maxrate, dash, 1000, 0, INT_MAX, config, "Invalid %s: %s", cmd, arg) >= 0) {
if (ffserver_save_avoption_int("minrate", minrate, AV_OPT_FLAG_VIDEO_PARAM, config) < 0 ||
ffserver_save_avoption_int("maxrate", maxrate, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
}
} else
ERROR("Incorrect format for VideoBitRateRange -- should be "
"<min>-<max>: %s\n", arg);
} else if (!av_strcasecmp(cmd, "Debug")) {
ffserver_get_arg(arg, sizeof(arg), p);
ffserver_set_int_param(NULL, arg, 0, INT_MIN, INT_MAX, config,
"Invalid %s: %s", cmd, arg);
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
if (ffserver_save_avoption("debug", arg, AV_OPT_FLAG_AUDIO_PARAM, config) < 0 ||
ffserver_save_avoption("debug", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "Strict")) {
ffserver_get_arg(arg, sizeof(arg), p);
ffserver_set_int_param(NULL, arg, 0, INT_MIN, INT_MAX, config,
"Invalid %s: %s", cmd, arg);
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
if (ffserver_save_avoption("strict", arg, AV_OPT_FLAG_AUDIO_PARAM, config) < 0 ||
ffserver_save_avoption("strict", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "VideoBufferSize")) {
ffserver_get_arg(arg, sizeof(arg), p);
ffserver_set_int_param(NULL, arg, 8*1024, 0, INT_MAX, config,
ffserver_set_int_param(&val, arg, 8*1024, 0, INT_MAX, config,
"Invalid %s: %s", cmd, arg);
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
if (ffserver_save_avoption_int("bufsize", val, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "VideoBitRateTolerance")) {
ffserver_get_arg(arg, sizeof(arg), p);
ffserver_set_int_param(NULL, arg, 1000, INT_MIN, INT_MAX, config,
ffserver_set_int_param(&val, arg, 1000, INT_MIN, INT_MAX, config,
"Invalid %s: %s", cmd, arg);
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
if (ffserver_save_avoption_int("bt", val, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "VideoBitRate")) {
ffserver_get_arg(arg, sizeof(arg), p);
ffserver_set_int_param(NULL, arg, 1000, 0, INT_MAX, config,
ffserver_set_int_param(&val, arg, 1000, INT_MIN, INT_MAX, config,
"Invalid %s: %s", cmd, arg);
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
if (ffserver_save_avoption_int("b", val, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "VideoSize")) {
int ret, w, h;
@ -965,43 +882,38 @@ static int ffserver_parse_config_stream(FFServerConfig *config, const char *cmd,
ret = av_parse_video_size(&w, &h, arg);
if (ret < 0)
ERROR("Invalid video size '%s'\n", arg);
else if ((w % 2) || (h % 2))
else {
if (w % 2 || h % 2)
WARNING("Image size is not a multiple of 2\n");
if (av_dict_set_int(&config->video_conf, "VideoSizeWidth", w, 0) < 0 ||
av_dict_set_int(&config->video_conf, "VideoSizeHeight", h, 0) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "VideoFrameRate")) {
AVRational frame_rate;
ffserver_get_arg(arg, sizeof(arg), p);
if (av_parse_video_rate(&frame_rate, arg) < 0) {
ERROR("Incorrect frame rate: %s\n", arg);
} else {
if (av_dict_set_int(&config->video_conf, "VideoFrameRateNum", frame_rate.num, 0) < 0 ||
av_dict_set_int(&config->video_conf, "VideoFrameRateDen", frame_rate.den, 0) < 0)
if (ffserver_save_avoption("video_size", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
}
} else if (!av_strcasecmp(cmd, "VideoFrameRate")) {
ffserver_get_arg(&arg[2], sizeof(arg) - 2, p);
arg[0] = '1'; arg[1] = '/';
if (ffserver_save_avoption("time_base", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "PixelFormat")) {
enum AVPixelFormat pix_fmt;
ffserver_get_arg(arg, sizeof(arg), p);
pix_fmt = av_get_pix_fmt(arg);
if (pix_fmt == AV_PIX_FMT_NONE)
ERROR("Unknown pixel format: %s\n", arg);
if (av_dict_set_int(&config->video_conf, cmd, pix_fmt, 0) < 0)
else if (ffserver_save_avoption("pixel_format", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "VideoGopSize")) {
ffserver_get_arg(arg, sizeof(arg), p);
ffserver_set_int_param(NULL, arg, 0, INT_MIN, INT_MAX, config,
"Invalid %s: %s", cmd, arg);
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
if (ffserver_save_avoption("g", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "VideoIntraOnly")) {
if (av_dict_set(&config->video_conf, "VideoGopSize", "1", 0) < 0)
if (ffserver_save_avoption("g", "1", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "VideoHighQuality")) {
if (av_dict_set(&config->video_conf, cmd, "", 0) < 0)
if (ffserver_save_avoption("mbd", "+bits", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "Video4MotionVector")) {
if (av_dict_set(&config->video_conf, cmd, "", 0) < 0)
if (ffserver_save_avoption("mbd", "+bits", AV_OPT_FLAG_VIDEO_PARAM, config) < 0 || //FIXME remove
ffserver_save_avoption("flags", "+mv4", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "AVOptionVideo") ||
!av_strcasecmp(cmd, "AVOptionAudio")) {
@ -1023,52 +935,46 @@ static int ffserver_parse_config_stream(FFServerConfig *config, const char *cmd,
ffserver_opt_preset(arg, AV_OPT_FLAG_AUDIO_PARAM, config);
} else if (!av_strcasecmp(cmd, "VideoTag")) {
ffserver_get_arg(arg, sizeof(arg), p);
if (strlen(arg) == 4) {
if (av_dict_set(&config->video_conf, "VideoTag", arg, 0) < 0)
if (strlen(arg) == 4 &&
ffserver_save_avoption_int("codec_tag", MKTAG(arg[0], arg[1], arg[2], arg[3]),
AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
}
} else if (!av_strcasecmp(cmd, "BitExact")) {
if (av_dict_set(&config->video_conf, cmd, "", 0) < 0)
if (ffserver_save_avoption("flags", "+bitexact", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "DctFastint")) {
if (av_dict_set(&config->video_conf, cmd, "", 0) < 0)
if (ffserver_save_avoption("dct", "fastint", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "IdctSimple")) {
if (av_dict_set(&config->video_conf, cmd, "", 0) < 0)
if (ffserver_save_avoption("idct", "simple", AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "Qscale")) {
ffserver_get_arg(arg, sizeof(arg), p);
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
ffserver_set_int_param(&val, arg, 0, INT_MIN, INT_MAX, config,
"Invalid Qscale: %s\n", arg);
if (ffserver_save_avoption("flags", "+qscale", AV_OPT_FLAG_VIDEO_PARAM, config) < 0 ||
ffserver_save_avoption_int("global_quality", FF_QP2LAMBDA * val,
AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "VideoQDiff")) {
ffserver_get_arg(arg, sizeof(arg), p);
ffserver_set_int_param(NULL, arg, 0, 1, 31, config,
"%s out of range\n", cmd);
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
if (ffserver_save_avoption("qdiff", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "VideoQMax")) {
ffserver_get_arg(arg, sizeof(arg), p);
ffserver_set_int_param(NULL, arg, 0, 1, 31, config,
"%s out of range\n", cmd);
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
if (ffserver_save_avoption("qmax", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "VideoQMin")) {
ffserver_get_arg(arg, sizeof(arg), p);
ffserver_set_int_param(NULL, arg, 0, 1, 31, config,
"%s out of range\n", cmd);
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
if (ffserver_save_avoption("qmin", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "LumiMask")) {
ffserver_get_arg(arg, sizeof(arg), p);
ffserver_set_float_param(NULL, arg, 0, -FLT_MAX, FLT_MAX, config,
"Invalid %s: %s", cmd, arg);
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
if (ffserver_save_avoption("lumi_mask", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "DarkMask")) {
ffserver_get_arg(arg, sizeof(arg), p);
ffserver_set_float_param(NULL, arg, 0, -FLT_MAX, FLT_MAX, config,
"Invalid %s: %s", cmd, arg);
if (av_dict_set(&config->video_conf, cmd, arg, 0) < 0)
if (ffserver_save_avoption("dark_mask", arg, AV_OPT_FLAG_VIDEO_PARAM, config) < 0)
goto nomem;
} else if (!av_strcasecmp(cmd, "NoVideo")) {
config->no_video = 1;
@ -1107,21 +1013,19 @@ static int ffserver_parse_config_stream(FFServerConfig *config, const char *cmd,
config->dummy_actx->codec_id = config->guessed_audio_codec_id;
if (!config->no_audio && config->dummy_actx->codec_id != AV_CODEC_ID_NONE) {
AVCodecContext *audio_enc = avcodec_alloc_context3(avcodec_find_encoder(config->dummy_actx->codec_id));
ffserver_apply_stream_config(audio_enc, config->audio_conf, &config->audio_opts);
ffserver_apply_stream_config(audio_enc, &config->audio_opts);
add_codec(stream, audio_enc);
}
if (config->dummy_vctx->codec_id == AV_CODEC_ID_NONE)
config->dummy_vctx->codec_id = config->guessed_video_codec_id;
if (!config->no_video && config->dummy_vctx->codec_id != AV_CODEC_ID_NONE) {
AVCodecContext *video_enc = avcodec_alloc_context3(avcodec_find_encoder(config->dummy_vctx->codec_id));
ffserver_apply_stream_config(video_enc, config->video_conf, &config->video_opts);
ffserver_apply_stream_config(video_enc, &config->video_opts);
add_codec(stream, video_enc);
}
}
av_dict_free(&config->video_opts);
av_dict_free(&config->video_conf);
av_dict_free(&config->audio_opts);
av_dict_free(&config->audio_conf);
avcodec_free_context(&config->dummy_vctx);
avcodec_free_context(&config->dummy_actx);
*pstream = NULL;
@ -1135,9 +1039,7 @@ static int ffserver_parse_config_stream(FFServerConfig *config, const char *cmd,
nomem:
av_log(NULL, AV_LOG_ERROR, "Out of memory. Aborting.\n");
av_dict_free(&config->video_opts);
av_dict_free(&config->video_conf);
av_dict_free(&config->audio_opts);
av_dict_free(&config->audio_conf);
avcodec_free_context(&config->dummy_vctx);
avcodec_free_context(&config->dummy_actx);
return AVERROR(ENOMEM);

2
ffserver_config.h
View File

@ -110,9 +110,7 @@ typedef struct FFServerConfig {
enum AVCodecID guessed_audio_codec_id;
enum AVCodecID guessed_video_codec_id;
AVDictionary *video_opts; /* AVOptions for video encoder */
AVDictionary *video_conf; /* Values stored in video AVCodecContext.fields */
AVDictionary *audio_opts; /* AVOptions for audio encoder */
AVDictionary *audio_conf; /* Values stored in audio AVCodecContext.fields */
AVCodecContext *dummy_actx; /* Used internally to test audio AVOptions. */
AVCodecContext *dummy_vctx; /* Used internally to test video AVOptions. */
int no_audio;