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Extend ffmpeg_video_codec config to take optional preferred_codec

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This commit is contained in:
Joo Aun Saw
2017-08-23 16:33:51 +10:00
parent 6e08e951f8
commit a08d8a5a95
2 changed files with 37 additions and 15 deletions
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51
ffmpeg.c
View File

@@ -236,10 +236,21 @@ static void ffmpeg_free_context(struct ffmpeg *ffmpeg){
static int ffmpeg_get_oformat(struct ffmpeg *ffmpeg){
size_t codec_name_len = strcspn(ffmpeg->codec_name, ":");
char *codec_name = alloca(codec_name_len + 1);
if (codec_name == NULL) {
MOTION_LOG(ERR, TYPE_ENCODER, NO_ERRNO, "Failed to allocate memory for codec name");
ffmpeg_free_context(ffmpeg);
return -1;
}
memcpy(codec_name, ffmpeg->codec_name, codec_name_len);
codec_name[codec_name_len] = 0;
/* Only the newer codec and containers can handle the really fast FPS */
if (((strcmp(ffmpeg->codec_name, "msmpeg4") == 0) ||
(strcmp(ffmpeg->codec_name, "mpeg4") == 0) ||
(strcmp(ffmpeg->codec_name, "swf") == 0) ) && (ffmpeg->fps >50)){
if (((strcmp(codec_name, "msmpeg4") == 0) ||
(strcmp(codec_name, "mpeg4") == 0) ||
(strcmp(codec_name, "swf") == 0) ) && (ffmpeg->fps >50)){
MOTION_LOG(ERR, TYPE_ENCODER, NO_ERRNO, "The frame rate specified is too high for the ffmpeg movie type specified. Choose a different ffmpeg container or lower framerate.");
ffmpeg_free_context(ffmpeg);
return -1;
@@ -250,59 +261,59 @@ static int ffmpeg_get_oformat(struct ffmpeg *ffmpeg){
if (ffmpeg->oc->oformat) ffmpeg->oc->oformat->video_codec = MY_CODEC_ID_MPEG2VIDEO;
strncat(ffmpeg->filename, ".mpg", 4);
if (!ffmpeg->oc->oformat) {
MOTION_LOG(ERR, TYPE_ENCODER, NO_ERRNO, "ffmpeg_video_codec option value %s is not supported", ffmpeg->codec_name);
MOTION_LOG(ERR, TYPE_ENCODER, NO_ERRNO, "ffmpeg_video_codec option value %s is not supported", codec_name);
ffmpeg_free_context(ffmpeg);
return -1;
}
return 0;
}
if (strcmp(ffmpeg->codec_name, "mpeg4") == 0) {
if (strcmp(codec_name, "mpeg4") == 0) {
ffmpeg->oc->oformat = av_guess_format("avi", NULL, NULL);
strncat(ffmpeg->filename, ".avi", 4);
}
if (strcmp(ffmpeg->codec_name, "msmpeg4") == 0) {
if (strcmp(codec_name, "msmpeg4") == 0) {
ffmpeg->oc->oformat = av_guess_format("avi", NULL, NULL);
strncat(ffmpeg->filename, ".avi", 4);
if (ffmpeg->oc->oformat) ffmpeg->oc->oformat->video_codec = MY_CODEC_ID_MSMPEG4V2;
}
if (strcmp(ffmpeg->codec_name, "swf") == 0) {
if (strcmp(codec_name, "swf") == 0) {
ffmpeg->oc->oformat = av_guess_format("swf", NULL, NULL);
strncat(ffmpeg->filename, ".swf", 4);
}
if (strcmp(ffmpeg->codec_name, "flv") == 0) {
if (strcmp(codec_name, "flv") == 0) {
ffmpeg->oc->oformat = av_guess_format("flv", NULL, NULL);
strncat(ffmpeg->filename, ".flv", 4);
if (ffmpeg->oc->oformat) ffmpeg->oc->oformat->video_codec = MY_CODEC_ID_FLV1;
}
if (strcmp(ffmpeg->codec_name, "ffv1") == 0) {
if (strcmp(codec_name, "ffv1") == 0) {
ffmpeg->oc->oformat = av_guess_format("avi", NULL, NULL);
strncat(ffmpeg->filename, ".avi", 4);
if (ffmpeg->oc->oformat) ffmpeg->oc->oformat->video_codec = MY_CODEC_ID_FFV1;
}
if (strcmp(ffmpeg->codec_name, "mov") == 0) {
if (strcmp(codec_name, "mov") == 0) {
ffmpeg->oc->oformat = av_guess_format("mov", NULL, NULL);
strncat(ffmpeg->filename, ".mov", 4);
}
if (strcmp(ffmpeg->codec_name, "mp4") == 0) {
if (strcmp(codec_name, "mp4") == 0) {
ffmpeg->oc->oformat = av_guess_format("mp4", NULL, NULL);
strncat(ffmpeg->filename, ".mp4", 4);
if (ffmpeg->oc->oformat) ffmpeg->oc->oformat->video_codec = MY_CODEC_ID_H264;
}
if (strcmp(ffmpeg->codec_name, "mkv") == 0) {
if (strcmp(codec_name, "mkv") == 0) {
ffmpeg->oc->oformat = av_guess_format("matroska", NULL, NULL);
strncat(ffmpeg->filename, ".mkv", 4);
if (ffmpeg->oc->oformat) ffmpeg->oc->oformat->video_codec = MY_CODEC_ID_H264;
}
if (strcmp(ffmpeg->codec_name, "hevc") == 0) {
if (strcmp(codec_name, "hevc") == 0) {
ffmpeg->oc->oformat = av_guess_format("mp4", NULL, NULL);
strncat(ffmpeg->filename, ".mp4", 4);
if (ffmpeg->oc->oformat) ffmpeg->oc->oformat->video_codec = MY_CODEC_ID_HEVC;
@@ -310,7 +321,7 @@ static int ffmpeg_get_oformat(struct ffmpeg *ffmpeg){
//Check for valid results
if (!ffmpeg->oc->oformat) {
MOTION_LOG(ERR, TYPE_ENCODER, NO_ERRNO, "codec option value %s is not supported", ffmpeg->codec_name);
MOTION_LOG(ERR, TYPE_ENCODER, NO_ERRNO, "codec option value %s is not supported", codec_name);
ffmpeg_free_context(ffmpeg);
return -1;
}
@@ -484,13 +495,23 @@ static int ffmpeg_set_codec(struct ffmpeg *ffmpeg){
int retcd;
char errstr[128];
int chkrate;
size_t codec_name_len = strcspn(ffmpeg->codec_name, ":");
ffmpeg->codec = avcodec_find_encoder(ffmpeg->oc->oformat->video_codec);
ffmpeg->codec = NULL;
if (ffmpeg->codec_name[codec_name_len]) {
ffmpeg->codec = avcodec_find_encoder_by_name(&ffmpeg->codec_name[codec_name_len+1]);
if (!ffmpeg->codec)
MOTION_LOG(WRN, TYPE_ENCODER, NO_ERRNO, "Preferred codec %s not found", &ffmpeg->codec_name[codec_name_len+1]);
}
if (!ffmpeg->codec)
ffmpeg->codec = avcodec_find_encoder(ffmpeg->oc->oformat->video_codec);
if (!ffmpeg->codec) {
MOTION_LOG(ERR, TYPE_ENCODER, NO_ERRNO, "Codec %s not found", ffmpeg->codec_name);
ffmpeg_free_context(ffmpeg);
return -1;
}
if (ffmpeg->codec_name[codec_name_len])
MOTION_LOG(NTC, TYPE_ENCODER, NO_ERRNO, "Using codec %s", ffmpeg->codec->name);
#if (LIBAVFORMAT_VERSION_MAJOR >= 58) || ((LIBAVFORMAT_VERSION_MAJOR == 57) && (LIBAVFORMAT_VERSION_MINOR >= 41))
//If we provide the codec to this, it results in a memory leak. ffmpeg ticket: 5714

1
ffmpeg.h
View File

@@ -5,6 +5,7 @@
#include <stdarg.h>
#include <sys/time.h>
#include <stdint.h>
#include <alloca.h>
#include "config.h"
enum TIMELAPSE_TYPE {