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https://github.com/mpv-player/mpv
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encode: get rid of AVDictionary setter helper
Removes a good hunk of weird code. This loses qscale "emulation", some logging, and the fact that duplicate keys for values starting with +/- were added with AV_DICT_APPEND. I don't assign those any importance, even if they are user-visible changes. The new M_OPT_ flag is just so that nothing weird happens for other key-value options, which do not interpret a "help" key specially.
This commit is contained in:
wm4
Jan Ekström
parent
05e75e7946
commit
bfc33da250
@ -24,6 +24,7 @@
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#include "config.h"
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#include "encode_lavc.h"
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#include "common/av_common.h"
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#include "common/global.h"
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#include "common/msg.h"
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#include "common/msg_control.h"
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@ -39,13 +40,13 @@ const struct m_sub_options encode_config = {
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.opts = (const m_option_t[]) {
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OPT_STRING("o", file, M_OPT_FIXED | CONF_NOCFG | CONF_PRE_PARSE | M_OPT_FILE),
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OPT_STRING("of", format, M_OPT_FIXED),
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OPT_STRINGLIST("ofopts", fopts, M_OPT_FIXED),
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OPT_KEYVALUELIST("ofopts", fopts, M_OPT_FIXED | M_OPT_HAVE_HELP),
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OPT_FLOATRANGE("ofps", fps, M_OPT_FIXED, 0.0, 1000000.0),
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OPT_FLOATRANGE("omaxfps", maxfps, M_OPT_FIXED, 0.0, 1000000.0),
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OPT_STRING("ovc", vcodec, M_OPT_FIXED),
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OPT_STRINGLIST("ovcopts", vopts, M_OPT_FIXED),
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OPT_KEYVALUELIST("ovcopts", vopts, M_OPT_FIXED | M_OPT_HAVE_HELP),
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OPT_STRING("oac", acodec, M_OPT_FIXED),
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OPT_STRINGLIST("oacopts", aopts, M_OPT_FIXED),
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OPT_KEYVALUELIST("oacopts", aopts, M_OPT_FIXED | M_OPT_HAVE_HELP),
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OPT_FLAG("oharddup", harddup, M_OPT_FIXED),
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OPT_FLOATRANGE("ovoffset", voffset, M_OPT_FIXED, -1000000.0, 1000000.0,
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.deprecation_message = "--audio-delay (once unbroken)"),
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@ -70,49 +71,6 @@ const struct m_sub_options encode_config = {
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},
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};
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static int set_to_avdictionary(struct encode_lavc_context *ctx,
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AVDictionary **dictp,
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const char *key,
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const char *val)
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{
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char keybuf[1024];
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char valuebuf[1024];
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if (key == NULL) {
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// we need to split at equals sign
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const char *equals = strchr(val, '=');
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if (!equals || equals - val >= sizeof(keybuf)) {
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MP_WARN(ctx, "option '%s' does not contain an equals sign\n",
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val);
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return 0;
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}
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memcpy(keybuf, val, equals - val);
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keybuf[equals - val] = 0;
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key = keybuf;
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val = equals + 1;
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}
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// hack: support "qscale" key as virtual "global_quality" key that multiplies by QP2LAMBDA
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if (!strcmp(key, "qscale")) {
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key = "global_quality";
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snprintf(valuebuf, sizeof(valuebuf),
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"%.1s(%s)*QP2LAMBDA",
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(val[0] == '+' || val[0] == '-') ? val : "",
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(val[0] == '+' || val[0] == '-') ? val + 1 : val);
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valuebuf[sizeof(valuebuf) - 1] = 0;
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val = valuebuf;
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}
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MP_VERBOSE(ctx, "setting value '%s' for key '%s'\n",
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val, key);
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if (av_dict_set(dictp, key, *val ? val : NULL,
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(val[0] == '+' || val[0] == '-') ? AV_DICT_APPEND : 0) >= 0)
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return 1;
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return 0;
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}
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static bool value_has_flag(const char *value, const char *flag)
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{
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bool state = true;
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@ -205,14 +163,7 @@ struct encode_lavc_context *encode_lavc_init(struct encode_opts *options,
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ctx->avc->url = av_strdup(filename);
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ctx->foptions = NULL;
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if (ctx->options->fopts) {
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char **p;
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for (p = ctx->options->fopts; *p; ++p) {
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if (!set_to_avdictionary(ctx, &ctx->foptions, NULL, *p))
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MP_WARN(ctx, "could not set option %s\n", *p);
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}
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}
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mp_set_avdict(&ctx->foptions, ctx->options->fopts);
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if (ctx->options->vcodec) {
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char *tok;
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@ -476,7 +427,7 @@ static void encode_2pass_prepare(struct encode_lavc_context *ctx,
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MP_WARN(ctx, "%s: could not open '%s', "
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"disabling 2-pass encoding at pass 2\n", prefix, buf);
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codec->flags &= ~AV_CODEC_FLAG_PASS2;
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set_to_avdictionary(ctx, dictp, "flags", "-pass2");
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av_dict_set(dictp, "flags", "-pass2", AV_DICT_APPEND);
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} else {
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struct bstr content = stream_read_complete(*bytebuf, NULL,
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1000000000);
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@ -499,7 +450,7 @@ static void encode_2pass_prepare(struct encode_lavc_context *ctx,
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"%s: could not open '%s', disabling "
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"2-pass encoding at pass 1\n",
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prefix, ctx->avc->url);
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set_to_avdictionary(ctx, dictp, "flags", "-pass1");
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av_dict_set(dictp, "flags", "-pass1", AV_DICT_APPEND);
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}
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}
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}
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@ -511,7 +462,6 @@ int encode_lavc_alloc_stream(struct encode_lavc_context *ctx,
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AVCodecContext **codec_out)
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{
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AVDictionaryEntry *de;
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char **p;
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*stream_out = NULL;
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*codec_out = NULL;
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@ -605,19 +555,14 @@ int encode_lavc_alloc_stream(struct encode_lavc_context *ctx,
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ctx->voptions = NULL;
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if (ctx->options->vopts) {
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for (p = ctx->options->vopts; *p; ++p) {
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if (!set_to_avdictionary(ctx, &ctx->voptions, NULL, *p))
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MP_WARN(ctx, "vo-lavc: could not set option %s\n", *p);
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}
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}
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mp_set_avdict(&ctx->voptions, ctx->options->vopts);
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de = av_dict_get(ctx->voptions, "global_quality", NULL, 0);
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if (de)
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set_to_avdictionary(ctx, &ctx->voptions, "flags", "+qscale");
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av_dict_set(&ctx->voptions, "flags", "+qscale", AV_DICT_APPEND);
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if (ctx->avc->oformat->flags & AVFMT_GLOBALHEADER)
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set_to_avdictionary(ctx, &ctx->voptions, "flags", "+global_header");
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av_dict_set(&ctx->voptions, "flags", "+global_header", AV_DICT_APPEND);
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encode_2pass_prepare(ctx, &ctx->voptions, ctx->vst, ctx->vcc,
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&ctx->twopass_bytebuffer_v,
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@ -642,19 +587,14 @@ int encode_lavc_alloc_stream(struct encode_lavc_context *ctx,
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ctx->aoptions = 0;
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if (ctx->options->aopts) {
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for (p = ctx->options->aopts; *p; ++p) {
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if (!set_to_avdictionary(ctx, &ctx->aoptions, NULL, *p))
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MP_WARN(ctx, "ao-lavc: could not set option %s\n", *p);
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}
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}
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mp_set_avdict(&ctx->aoptions, ctx->options->aopts);
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de = av_dict_get(ctx->aoptions, "global_quality", NULL, 0);
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if (de)
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set_to_avdictionary(ctx, &ctx->aoptions, "flags", "+qscale");
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av_dict_set(&ctx->aoptions, "flags", "+qscale", AV_DICT_APPEND);
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if (ctx->avc->oformat->flags & AVFMT_GLOBALHEADER)
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set_to_avdictionary(ctx, &ctx->aoptions, "flags", "+global_header");
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av_dict_set(&ctx->aoptions, "flags", "+global_header", AV_DICT_APPEND);
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encode_2pass_prepare(ctx, &ctx->aoptions, ctx->ast, ctx->acc,
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&ctx->twopass_bytebuffer_a,
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@ -1552,6 +1552,9 @@ static int parse_keyvalue_list(struct mp_log *log, const m_option_t *opt,
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bool append = false;
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bool full_value = false;
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if ((opt->flags & M_OPT_HAVE_HELP) && bstr_equals0(param, "help"))
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param = bstr0("help=");
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if (bstr_endswith0(name, "-add")) {
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append = true;
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} else if (bstr_endswith0(name, "-append")) {
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@ -405,6 +405,9 @@ char *format_file_size(int64_t size);
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// Do not add as property.
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#define M_OPT_NOPROP (1 << 6)
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// Enable special semantics for some options when parsing the string "help".
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#define M_OPT_HAVE_HELP (1 << 7)
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// The following are also part of the M_OPT_* flags, and are used to update
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// certain groups of options.
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#define UPDATE_OPT_FIRST (1 << 7)
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