Ejemplo n.º 1
0
void
encoder_progress_end( lame_global_flags const* gf )
{
    if (global_ui_config.silent <= 0) {
        if (global_ui_config.brhist) {
            brhist_jump_back();
        }
        timestatus(gf);
        if (global_ui_config.brhist) {
            brhist_disp(gf);
        }
        timestatus_finish();
    }
}
Ejemplo n.º 2
0
int
lame_encoder(lame_global_flags * gf, FILE * outf, int nogap, char *inPath,
             char *outPath)
{
    unsigned char mp3buffer[LAME_MAXMP3BUFFER];
    int     Buffer[2][1152];
    int     iread, imp3;
    static const char *mode_names[2][4] = {
        {"stereo", "j-stereo", "dual-ch", "single-ch"},
        {"stereo", "force-ms", "dual-ch", "single-ch"}
    };
    int     frames;

    if (silent < 10) {
        lame_print_config(gf); /* print useful information about options being used */

        fprintf(stderr, "Encoding %s%s to %s\n",
                strcmp(inPath, "-") ? inPath : "<stdin>",
                strlen(inPath) + strlen(outPath) < 66 ? "" : "\n     ",
                strcmp(outPath, "-") ? outPath : "<stdout>");

        fprintf(stderr,
                "Encoding as %g kHz ", 1.e-3 * lame_get_out_samplerate(gf));

	{
            const char *appendix = "";

            switch (lame_get_VBR(gf)) {
            case vbr_mt:
            case vbr_rh:
            case vbr_mtrh:
                appendix = "ca. ";
                fprintf(stderr, "VBR(q=%i)", lame_get_VBR_q(gf));
                break;
            case vbr_abr:
                fprintf(stderr, "average %d kbps",
                        lame_get_VBR_mean_bitrate_kbps(gf));
                break;
            default:
                fprintf(stderr, "%3d kbps", lame_get_brate(gf));
                break;
            }
            fprintf(stderr, " %s MPEG-%u%s Layer III (%s%gx) qval=%i\n",
                    mode_names[lame_get_force_ms(gf)][lame_get_mode(gf)],
                    2 - lame_get_version(gf),
                    lame_get_out_samplerate(gf) < 16000 ? ".5" : "",
                    appendix,
                    0.1 * (int) (10. * lame_get_compression_ratio(gf) + 0.5),
                    lame_get_quality(gf));
        }

        if (silent <= -10)
            lame_print_internals(gf);

        fflush(stderr);
    }


    /* encode until we hit eof */
    do {
        /* read in 'iread' samples */
        iread = get_audio(gf, Buffer);
        frames = lame_get_frameNum(gf);


 /********************** status display  *****************************/
        if (silent <= 0) {
            if (update_interval > 0) {
                timestatus_klemm(gf);
            }
            else {
                if (0 == frames % 50) {
#ifdef BRHIST
                    brhist_jump_back();
#endif
                    timestatus(lame_get_out_samplerate(gf),
                               frames,
                               lame_get_totalframes(gf),
                               lame_get_framesize(gf));
#ifdef BRHIST
                    if (brhist)
                        brhist_disp(gf);
#endif
                }
            }
        }

        /* encode */
        imp3 = lame_encode_buffer_int(gf, Buffer[0], Buffer[1], iread,
                                      mp3buffer, sizeof(mp3buffer));

        /* was our output buffer big enough? */
        if (imp3 < 0) {
            if (imp3 == -1)
                fprintf(stderr, "mp3 buffer is not big enough... \n");
            else
                fprintf(stderr, "mp3 internal error:  error code=%i\n", imp3);
            return 1;
        }

        if (fwrite(mp3buffer, 1, imp3, outf) != imp3) {
            fprintf(stderr, "Error writing mp3 output \n");
            return 1;
        }

    } while (iread);

    if (nogap) 
        imp3 = lame_encode_flush_nogap(gf, mp3buffer, sizeof(mp3buffer)); /* may return one more mp3 frame */
    else
        imp3 = lame_encode_flush(gf, mp3buffer, sizeof(mp3buffer)); /* may return one more mp3 frame */

    if (imp3 < 0) {
        if (imp3 == -1)
            fprintf(stderr, "mp3 buffer is not big enough... \n");
        else
            fprintf(stderr, "mp3 internal error:  error code=%i\n", imp3);
        return 1;

    }

    if (silent <= 0) {
#ifdef BRHIST
        brhist_jump_back();
#endif
        frames = lame_get_frameNum(gf);
        timestatus(lame_get_out_samplerate(gf),
                   frames, lame_get_totalframes(gf), lame_get_framesize(gf));
#ifdef BRHIST
        if (brhist) {
            brhist_disp(gf);
        }
        brhist_disp_total(gf);
#endif
        timestatus_finish();
    }

    fwrite(mp3buffer, 1, imp3, outf);

    return 0;
}